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Oxford Advanced Learner's Dictionary
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最近搜尋:
Tighten
274
Inexact
105
pk
150
Dealing
204
Kentucky
133
opus
197
purposeful
287
repulsive
540
Exulting
22
vulturish
92
Opencast
117
Changes
110
Sensibly
147
English
306
Elegiac
51
Decimal
200
grease
372
Example
244
stein
188
Cycling
205
Pulsate
105
Tactful
204
Tickles
62
Simulate
372
cricket
744
Flatfish
171
birthcontrol
83
Anxiety
347
CHARGES
117
Amnesty
297
Sapient
180
pasty
288
archaeologist
265
involuntary
270
Opacity
139
wally
196
Impulse
198
Mistaken
309
ethnic cleansing
235
Chicken
40
Macbeth
176
Megalith
230
Kitchen
223
Rickety
124
gloomy
950
Fateful
141
Busting
114
Reliant
414
Eclipse
219
Nuances
87
Dumping
114
Figment
85
appropriacy
176
date
432
Staunch
185
Disable
409
afterthought
201
Suspect
290
Rethink
242
Mutable
225
lithe
219
conflict
1481
shaky
424
Amnesia
130
Quality
470
Lightly
220
testimony
370
Unstable
349
unpromising
189
Majestic
372
polymorphous
167
DRASTIC
236
conflictful
103
jv
175
Angelic
255
pliers
174
Thumping
134
CALORIES
101
Festival
271
Plastic
371
balky
331
Elephant
275
Epistle
159
barometric
169
lb
206
stipulate
462
MOISTURE
266
halve
427
NT
182
authenticate
373
Hulking
91
phonographic
75
av
194
Painful
294
Semantic
117
Oblique
61
fishmonger
248
OPTICAL
184
Abstain
236
Heating
332
Replica
192
Reality
281
Emphatic
278
Ailment
110
Musical
284
Dynamite
173
Slacken
166
beast
917
immunology
210
arkansan
131
adjudgment
100
INGRATE
147
Expunge
128
warmish
97
Suitable
405
vp
177
Optimal
283
time-lapse
179
cc
230
telebanking
289
face-plant
156
urban myth
131
ham-fisted
227
high table
263
think back
159
Grenada
181
malcontent
158
bloodthirsty
314
cycle-path
93
Curl
485
BY
217
like crazy
58
pay cheque
218
jungle gym
202
flip-chart
109
flip chart
306
blue jeans
260
humiliate
530
fault line
231
diagnostician
113
substitutive
111
clearinghouse
163
maize
187
lynch
181
swept-back
162
snake
1041
aquaerobics
113
semi-final
151
comparable
916
subsidiarity
154
ET
150
gi
271
geolocation
187
half-caste
209
first-name
124
fee-paying
161
cock-a-leekie
181
down to earth
286
thicken
181
forget-me-not
179
bureaucratic
345
steam
986
nh
181
protection
820
telegraphy
329
om
137
spike
530
iv
191
off-the-shelf
261
assoc.
179
-athon
185
Hello!
286
have
597
cagey
357
CD-ROM
186
pastureland
122
Anglo-
154
G spot
239
unaffected
174
wasabi
152
twitterati
153
ag
270
oj
187
user
847
Assoc.
206
ubiquitous
433
blub
224
ic
131
Occurrence
315
repetitive
234
courthouse
273
Aka
170
regenerate
450
bo
252
Fortuitous
233
crisscross
150
unprepared
162
hillwalker
77
Derivative
117
nc
162
doorkeeper
228
ib
190
assumption
854
lt
161
breastplate
243
ai
282
herbaceous
164
ev
237
im
204
literature
957
applicable
857
Dehydrated
94
unequalled
245
dismissive
294
Fundraiser
191
millilitre
212
Centimeter
58
pressurize
519
Discussion
286
interbreed
198
creativity
330
occurrence
1097
suspicious
959
determiner
343
precedence
256
at
539
nineteenth
151
indefinite
779
lo
229
stick
934
retirement
352
undersized
215
awful
1110
intriguing
318
milliliter
135
determined
561
prettied
77
wast
190
egotistical
196
traditions
100
px
131
undefeated
157
obsequious
164
forfeiture
245
unrecorded
163
seductress
384
footlights
193
unfettered
168
Precedence
279
regressive
191
Christie's
111
navigation
741
Frustrated
349
Foreground
190
Determined
267
promulgate
405
Fertiliser
195
repressive
297
substitute
961
Literature
268
uneducated
262
riboflavin
154
tumultuous
193
securities
156
perquisite
138
deservedly
216
hated
110
preloading
101
prejudiced
257
agile
266
kms
121
antsy
297
pb
153
shirtwaister
127
attenuated
231
unlettered
145
perpetrate
295
interstice
184
nonpayment
111
unnumbered
358
perpetuate
638
xl
178
Disservice
203
russianize
114
unrelieved
179
diminuendo
202
underwrite
277
cable
967
encyclopedic
235
Fertilizer
336
proprietary
300
bewildered
369
dependency
271
granddaddy
165
presuppose
234
humidifier
210
gibber
227
draughtboard
168
st
158
bursty
198
Accredited
256
Adventurer
351
underrated
136
sepulchral
171
abutting
160
pediatrics
176
supporting
150
thyme
215
quieten
194
snafu
146
abandonment
197
wasted
373
ruritanian
180
repatriation
226
usefulness
235
successive
837
Caricature
123
sc
144
Undeterred
134
corroboree
142
circumcise
266
vying
211
understate
203
knelt
157
Continuity
182
unattended
163
militiaman
208
foundational
177
roadrunner
163
reproductive
305
unconcernedly
217
dispossess
213
gy
145
topicality
120
summertime
167
commit
787
suppressor
132
modification
450
taskmaster
187
dramatized
140
ho
201
disembark
547
timetable
823
klutz
220
underspend
184
Th
120
minimalism
225
changeable
235
tenderize
175
Auditorium
210
sidesaddle
147
understudy
257
Difference
419
nepal
178
ineptitude
176
subtraction
290
Betterment
189
unrewarded
155
iniquitous
162
importance
871
takes
130
Definitive
142
leafy
201
suspender
320
amen
349
dispirited
253
preference
924
miniseries
187
unsettlement
95
Decelerate
165
slate
357
meitnerium
168
GRIP
119
GP
290
waterbird
131
Preference
340
remarry
246
CV
217
ruminative
137
scrip
200
bc
273
banana split
215
guide-dog
112
stomach ache
201
guide dog
246
questionable
337
hints
114
involvement
464
quadrophonic
148
philosophical
381
pacey
200
phenomenology
113
quadraphonic
208
wykehamist
102
wt
117
-ous
160
it
443
travelogue
160
hp
178
brigandage
116
auto-
257
sub-
202
aero-
304
parachutist
185
-ify
432
-ful
286
-ess
188
tri-
273
-ive
161
out-
324
-ite
163
tx
147
pre-
258
nullify
232
-ity
217
-ese
218
-ize
239
eh
302
unendingness
89
biomedical
153
underpinning
174
humanitarian
232
southwardly
88
chive
272
addenda
123
sting
998
Pre-
211
uni-
224
-ory
142
CD-R™
185
underwriter
154
vc
163
understudies
103
jill
115
greenkeeper
203
unfulfilled
235
trendsetter
172
concurrence
223
villainous
153
unfairness
233
irreducible
168
westwardly
93
management
853
unidentified
205
Engineering
307
An
275
undignified
345
bystanders
124
Disinterest
154
nm
157
capital asset
100
bt
271
muddle-headed
168
requirement
837
undermanned
146
percolate
289
overdressed
215
fisticuffs
209
elasticized
162
bewitchment
112
internecine
175
incorporated
258
skype
154
serious
1272
piste
233
Deteriorate
259
peacekeeper
155
proscenium
168
stale
920
acknowledged
159
Firecracker
238
dehumidifier
221
undisguised
188
uninitiated
174
bureaucracy
415
tarp
143
surgically
209
football pools
174
shipbuilder
130
replacement
196
roller coaster
254
waxworks
127
fellow feeling
195
lower yourself
84
food poisoning
310
countrymen
114
fight
987
testosterone
150
prediction
390
sanctify
226
Jr
140
revolve around
225
ly
108
fortified wine
159
center forward
203
interfere with
161
suppertime
119
eyebrow
286
fl
217
hd
187
BNC: 43300
COCA: 30775
Oxford Advanced Learner's Dictionary
riboflavin
noun
/ˌraɪbəˈfleɪvɪn/
/ˌraɪbəˈfleɪvɪn/
[uncountable]
jump to other results
a vitamin which is important for producing energy, found in milk,
liver
, eggs and green vegetables
核黄素;维生素 B
2
Word Origin
1930s: from
ribose
+ Latin
flavus
‘yellow’ +
-in
.
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