词汇讲解：

1. communicate vt.传达，表达;显示
例句：He had no way to communicate with his brother.
他没有办法与他兄弟联系。

2. recognize vt.认出;识别;承认
例句：He wore a mask so that no one should recognize him.
他戴了一个面罩，使别人认不出他来。

3. pick vt. 挑选，挑拣
例句：She bent (over) to pick up a book from the floor.
她弯腰从地板上捡起一本书。
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