VOA慢速英语:Tiny Fly May Hold Key to New Generation of Hearing Aids

短语讲解：

1. The larvae digs into the cricket and eats the insect from the inside out.

dig into 挖掘; 把…戳进…; 调查;  刻苦钻研
例句：I'll dig into these issues in my next post.
我将在下一篇文章中深入探讨这些问题。

2. And they discovered that the fly has a clever mechanism that instead of using two independent ears, like a human would, the fly's ears are actually coupled," says Hall.

instead of （用…）代替…， （是…）而不是
例句：Use household products instead of commercial cleaners.
让日常用品代替商业清洁品。

3. Like the see-saw, the fly's ear structure goes up and down from a central point.

up and down 上上下下; 起落
例句：Children like bouncing up and down on a sofa. 
孩子们喜欢在沙发上蹦蹦跳跳。 

4. They also used special electric materials that enable them to measure its movements at the same time.

at the same time 同时;  一起; 但是
例句：At the same time, infrastructure investment is growing.
与此同时，基础设施的投资也在增加。

5. One way would be to help the military on the battle field, there, sensors could find where shots are coming from.

come from 来自
例句：Ambient noise may come from any direction. 
外界噪声可以来自任意方向。 

6. "That is a feature that is incredibly useful for hearing aids, for example, where right now, if you turn up the gain of a hearing aid or turn up the volume to hear someone across from you, it also amplifies everything else in the room," said Hall.

turn up 开大; 翻起; 出现
例句："Turn up your radio, please." 
请你把收音机开响一点儿。