synchromesh
n[U]
device in a vehicle's gearbox that makes the parts turn at the same speed and thus allows gears to be changed smoothly (机动车齿轮箱中的)同步齿轮系.
🗣️ 情景例句
Then an adult must sign for you.
那就必须有一位成年人来替你签字。
Especially to Katherine Miller, for being there when I needed her.
特别是感谢凯瑟琳.米勒,每当我需要她时,她总在我身边。
small can mean thunderstorms and blizzards -- any prediction deteriorates rapidly.