单词详解 

vt.

A. 发现 ( discover or determine the existence, presence, or fact of)

He discovered that he was being closely watched. 他发现他正被人紧密监视。

B. 碰见，撞见 (find unexpectedly）

She happened to discover what it was. 她碰巧发现它到底是什么了。

C. 了解到，认识到，发觉 (get to know or become aware of, usually accidentally)

The police will discover who did it. 警察会查出是谁做的。

相关单词

过去式：discovered

过去分词： discovered

现在分词：discovering

同义词：detect, sniff out