离合器的英文单词是 "clutch"。它的来源可能源自于中世纪的古英语单词 "cluccian"，意为"握紧"。例句：

The car's clutch is slipping. (这辆汽车的离合器在滑动。)

She disengaged the clutch and shifted gears. (她松开了离合器，换挡。)

He depressed the clutch pedal and started the car. (他踩下了离合器踏板，启动了汽车。)