名词
中文翻译：沉默的齿轮
同义词：
['silent mechanism', 'silent drive例句：1. The new car has a silent gear system that makes it quieter than the old one.（这款新车有一个静音的齿轮系统，比旧款更安静。）2. The engineer used a silent gear to reduce noise during testing.（工程师使用了一个静音齿轮来减少测试期间的噪音。）']
例句：
-
1. The new car has a silent gear system that makes it quieter than the old one.
这款新车有一个静音的齿轮系统，比旧款更安静。
-
2. The engineer used a silent gear to reduce noise during testing.
工程师使用了一个静音齿轮来减少测试期间的噪音。
-
3.The silent gear was designed to improve efficiency without affecting performance.
这个静音齿轮被设计用来提高效率而不影响性能。