gearbox
US /ˈɡɪr.bɑːks/
UK /ˈɡɪr.bɑːks/

名词
1.
变速箱, 齿轮箱
a set of gears with their casings, especially in a motor vehicle; a transmission.
示例:
•
The mechanic replaced the faulty gearbox in the car.
机械师更换了汽车中故障的变速箱。
•
A smooth-shifting gearbox is essential for a comfortable drive.
平稳换挡的变速箱对于舒适驾驶至关重要。
在 Lingoland 学习这个单词