Gearless
a. 无齿轮的\\n[机] 无齿轮装置的
🗣️ 情景例句
Well, I have an appointment now, I'll have to go.
嗯，我还有一个约会，我得走了。
You must not pledge your own health.
切不可把健康作孤注一掷。
You don't keep your word.
你不守信用。