名詞 gearing:

1. wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
   同義詞：gear, geartrain, power train, train

動詞 gear:

1. set the level or character of
   同義詞：gear, pitch

1. The company's gearing up for the big export drive.
   公司正為大規(guī)模出口作好準備。
2. Careless use of the clutch may damage the gears.
   離合器使用不慎可能損壞傳動裝置。
3. 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.
   (汽車的)超速檔機動車輛的一種齒輪裝置，通過降低齒輪比率來減少為將車速保持在一定范圍內而需要的輸出力
4. The gearing of this machine is unusual.
   這機器的齒輪裝置很特別。

gear.ing

n.（名詞）
A system of gears and associated elements by which motion is transferred within a machine.
傳動裝置：一組齒輪和連在一起的部件，通過它們實現(xiàn)運動在一機器內傳送
The act or technique of providing with gears.
齒輪連接，嚙合：配備齒輪的動作或技巧