n. motor that converts thermal energy to mechanical work
n. something used to achieve a purpose
n. an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.
n. 引擎, 发动机, 机车
vt. 安装发动机于
1. The engine of the car is making a strange noise.
这辆车的发动机发出奇怪的声音。
2. She learned how to fix a small engine in her workshop.
她在自己的车间里学会了修理小发动机。
3. The plane's engine started to roar as it took off.
飞机起飞时发动机开始轰鸣。