a thick piece of soft material that is used, for example, for cleaning or protecting something or for holding liquid （吸收液體、保潔或保護用的）軟墊，護墊，墊狀物 medicated cleansing pads for sensitive skin 敏感皮膚藥物清洗棉 sanitary pads (= that a woman uses during her period) 衛生棉墊
Oxford Collocations Dictionaryadjective- thick
- adhesive
- cotton
- …
a number of pieces of paper for writing or drawing on, that are fastened together at one edge 便箋本；拍紙簿 a sketch/writing pad 速寫簿；拍紙簿 She always kept a pad and pencil by the phone. 她總是在電話旁放一個便箋簿和一支鉛筆。 She doodled on a pad as she spoke. 她一邊說話一邊在拍紙簿上亂塗亂畫。
Oxford Collocations Dictionaryadjective- memo
- note
- scratch
- …
- on a/the pad
the soft part under the foot of a cat, dog, etc. 爪墊；肉掌 A cat detects vibrations through the pads of its feet. 貓通過腳墊檢測振動。
a small piece of rough material used for cleaning pans, surfaces, etc. 百潔布，菜瓜布（刷鍋等的小塊粗糙材料） a scouring pad 刷洗用的金屬絲球
Oxford Collocations Dictionaryadjective- thick
- adhesive
- cotton
- …
a flat surface where a spacecraft or a helicopter takes off and lands 發射台；停機坪 helicopter landing pads 直升機停機坪 Two booster rockets will power the shuttle off the pad. 兩枚助推火箭將爲航天飛機提供動力。
- [usually plural]
a piece of thick material that you wear in some sports, for example football and cricket, to protect parts of your body （運動用）防護墊（如護腿、護肘等） 
knee pads 護膝
the large flat leaf of some water plants, especially the water lily 浮葉（尤見於睡蓮） floating lily pads 睡蓮的浮葉
- [usually singular] (informal)
the place where somebody lives, especially a flat 住所；（尤指）公寓 He moved back into his old bachelor pad. 他搬回了他以前的單身公寓。
of soft material軟材料
of paper紙張
of animal’s foot動物的足
for cleaning用於清洗
for spacecraft/helicopter航天器；直升機
for protection用於防護
of water plants水生植物
flat/apartment公寓
Word Originnoun mid 16th cent. (in the sense ‘bundle of straw to lie on’): the senses may not be of common origin; the meaning ‘underpart of an animal's foot’ is perhaps related to Low German pad ‘sole of the foot’; the history remains obscure.