名词
中文翻译：停止扣
同义词：
['stopper', "stopper collar例句：1. The car's engine is running smoothly", 'but the stop collar needs to be replaced.（汽车的引擎运行平稳，但止动器需要更换。）2. The engineer used a stop collar to hold the bolt in place.（工程师使用一个止动器来固定螺栓。）']
例句：
-
1. The car's engine is running smoothly, but the stop collar needs to be replaced.
汽车的引擎运行平稳，但止动器需要更换。
-
2. The engineer used a stop collar to hold the bolt in place.
工程师使用一个止动器来固定螺栓。
-
3.The stop collar was designed to prevent the engine from overheating.
止动器的设计是为了防止发动机过热。