慢速英语:Nobel in Physics Awarded for ‘Strange States’ of Matter(翻译)

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1. announce vt.宣布;述说
例句：He will announce tonight that he is resigning from office
他将于今晚宣布辞职。

2. explain vt.讲解，解释
例句：I explained that each person has different ideas of what freedom is.
我解释说，每个人对于自由是什么都有不同的观点。

3. stumble vi.跌跌撞撞地走，蹒跚;结巴
例句：He stumbled and almost fell
他差点被绊倒。

4. recognize vt.识别;认出
例句：The receptionist recognized him at once
接待员一眼就认出他了。