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
I'm surprised they're not here.
我奇怪他们怎么没来。
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
Friday, Saturday and Sunday in the country!Aren't you lucky!