他惊讶地发现自己竟然忘记带钥匙了。

他惊讶地发现自己竟然忘记带钥匙了。

He discovered to his surprise that he had forgotten his keys.

点击显示答案

He discovered to his surprise that he had forgotten his keys.

discovered 是动词 discover 的过去式,discover 由前缀 dis-(表示"去除、否定")和 cover("覆盖")组成,字面意思是"揭开覆盖物",引申为"发现、发觉"的意思。

在 App 中完整学习这张卡片

在 App 中学习