Emergency engine
[化] 应急发动机
🧩 词语组成解析
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
I've seen a lot of people wearing runners lately. I guess they're back in fashion.
最近我看到很多人穿上了披肩，我看是不是披肩又流行起来了？
He's an engineer.
他是工程师。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，