gearbox

US /ˈɡɪr.bɑːks/
UK /ˈɡɪr.bɑːks/
"gearbox" picture
1.

變速箱, 齒輪箱

a set of gears with their casings, especially in a motor vehicle; a transmission.

:
The mechanic replaced the faulty gearbox in the car.
機械師更換了汽車中故障的變速箱
A smooth-shifting gearbox is essential for a comfortable drive.
平穩換檔的變速箱對於舒適駕駛至關重要。