belonging to the very early period of human history when tools and weapons were made of stone 石器时代: 属于人类历史的早期,当时工具和武器是用石头制成的stone-age man/tools/culture 石器时代的人/工具/文化
- (figurative)
very out-of-date 石器时代: 非常过时stone-age computers 原始计算机
See also: the Stone Age
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切換為繁體中文