wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed;
"the fool got his tie caught in the geartrain"
例句
The company's gearing up for the big export drive.公司正为大规模输出作好准备。
Careless use of the clutch may damage the gears.离合器使用不慎可能损坏传动装置。
A gearing mechanism of a motor vehicle engine that reduces the power output required to maintain driving speed in a specific range by lowering the gear ratio.(汽车的)超速档机动车辆的一种齿轮装置，通过降低齿轮比率来减少为将车速保持在一定范围内而需要的输出力
The gearing of this machine is unusual.这机器的齿轮装置很特别。
