短语讲解:
1. Birds and bats sometimes fly into them and are killed.
fly into 飞进; 突然迸发
例句:Birds cause damage when they fly into engines.
鸟儿如果冲撞到引擎上就会造成损坏。
2. He also said he wanted it to quick to set up.
set up 建立
例句:They set up many branches throughout the country.
他们在全国建立好多分公司。
3. It is made from the same material as other generators.
be made from 由…所做成的(用于原材料不易看出的场合)
例句:The injection is made from Chinese herbs.
这种针剂是由中草药提炼的。
4. Wind causes the mast to oscillate, or move back and forth.
back and forth 来回地; 一来一往
例句:Two small boats ferry people back and forth.
两只小船往返为人摆渡。