noun
gear
/giә/
gear 是什么意思
齿轮，工具，以齿轮连起，开动
A toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle) equipment consisting of miscellaneous articles needed for a particular operation or sport etc. set the level or character of.
词性
noun
难度
进阶
页面用途
检索复习