gear
US /ɡɪr/
UK /ɡɪr/

名詞
1.
2.
齒輪, 檔位
a toothed wheel that engages with another toothed mechanism to change the speed or direction of transmitted motion
範例:
•
The car's transmission uses several gears to control speed.
汽車的變速箱使用多個齒輪來控制速度。
•
He shifted into a higher gear to accelerate.
他換到更高的檔位以加速。
動詞
在 Lingoland 學習這個單詞