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
Oh, Grandpa, I'm so happy to see you!
啊, 爷爷! 见到您我真高兴。
Compared with the price in the international market, our quotation is quite reasonable.