当他突然出现在门口时,我们都感到非常惊讶。

We were all surprised when he suddenly appeared at the door.

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We were all surprised when he suddenly appeared at the door.

surprised 是动词 surprise 的过去分词形式,在这里作形容词用,表示"感到惊讶的"。surprise 由前缀 sur-(表示"超过")和词根 prise(来自拉丁语 prehendere,意为"抓住")组成,字面意思是"突然抓住",引申为"使惊讶"。

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