警察彻底搜索了那个地区以寻找线索。

The police combed the area for clues.

《牛津词典》

首先，我们在环境中搜索作为一种选择基础的信息或线索。

First, we search the environment for information, or cues, upon which to base a choice.

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他们一连搜索了八天，没有发现一点线索。

We searched here and there, but could not find her.

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我们决定进行圆形搜索，以便发现一点线索。

We decided to perform a circle search pattern in the hope of finding something.

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我们决定进行圆形搜索，以便发现一点线索。

We decided to perform a circle search pattern in the hope of finding something.

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