短语讲解：

1. He says crews are using some of the best equipment in the world to look for the plane.

look for 寻找
例句：I want Bill to look for Mr. Jones to talk.
我要比尔找琼斯先生谈一谈。

2. The ministers refused to answer reporters’ questions about how much the additional search would cost.

how much 多少
例句：How much will this bottle contain?
这个瓶子容量多少？

3. Investigators believe the plane traveled thousands of kilometers before using up all its fuel and falling into deep, distant waters.

use up 耗尽
例句：Don't use up all the soap. Leave me some to wash with.
不要把肥皂用尽，留一些给我洗。


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