reverse gear
短语[化] 逆转装置
词形变化
reverse gears
复数
reverse gears
释义与例句
n.
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1.
A gear (setting) in a vehicle's transmission which, when selected, makes the vehicle move backward. (Denoted with symbol R on a shifter's labeling.)
可数 不可数 工程Near-synonym: reversing gear
The reverse gear of a Ford Model T was engaged with a foot pedal.
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2.
A gear fitted to a machine which allows it to run in the direction opposite to normal operation.
可数 不可数 工程Near-synonym: reversing gear
This old lathe has a reverse gear, but it wouldn't be used under most conditions, and in fact its use is unsafe under most conditions because the chuck is attached with nothing but a right-hand screw thread!