慢速英语:Scientists Uncover Mystery of Mosquito Flight

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短语讲解：

1.Because of this, it is hard to believe that they are able to fly. So, how is their flight possible?

because of 因为，由于; 基于
例句：It is mainly because of my fault.
这主要是由于我的过错。
be able to 能够; 能，会
例句：They may be able to help with childcare so that you can have a break
他们可以帮忙照料孩子，这样你就可以歇一歇了。

2.They set up eight super-high speed cameras that take 10,000 images each second.

set up 建立; 准备; 安排; 引起
例句：The two sides agreed to set up a commission to investigate claims
双方同意组建一个委员会来调查那些索赔要求。

3.The movement looks almost as if the wings are drawing the number eight.

as if 好像， 似乎， 仿佛
例句：He is given to viewing life as if it were an aesthetic spectacle.
他喜欢观察生活，好象生活是一幅美的图景。