1.a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion

2.a mechanism for transmitting motion by gears for some specific purpose (as the steering gear of a vehicle)

3.equipment consisting of miscellaneous articles needed for a particular operation or sport etc.

1.set the level or character of;

She pitched her speech to the teenagers in the audience

1.體育用品

1.①齒輪

2.②衣服

3.④用具：同equipment

1 . 齒輪

...r)，管螺紋(pipe thread)，花鍵(spline)，閉式傳動(closed drive)，齒輪(gear)，齒輪軸(gearshaft)，模數(module)，端面模數(transverse module.

2 . 齒輪的

gear鋼坯, gear齒輪的, gear馬具

3 . 齒

development of the automatic steering gearrack hardness testing control system ., 轉向器齒桿硬度自動測試控制系統的設計.

4 . 齒輪機構

齒輪滾刀 hob ,hobbing cutter齒輪機構 gear齒輪輪坯 blank

1 . 齒輪類零件

as a kind of important part of mechanical gears gear s designing and making technology is an important symbol of a nations mechanical manufacturing level .齒輪類零件作為機械傳動的一大類重要零件，其設計制造水平是一個國家機械工業發展水平的重要標志之一。

1 . 齒扇轉舵裝置

gear pump 齒輪泵gear quadrant steering gear 齒扇轉舵裝置gear quadrant steering gear 扇形齒輪式操舵裝置.

1 . 齒輪綜合

it is to measure error and error curve of gear ′ s major specifications , using modularized designing soft ware system gear ′ s composition measuring instrument of computer controlling .提出采用模塊化設計軟件系統，配用微機控制的齒輪綜合測量儀，測出齒輪主要項目的誤差和誤差曲線的方法，可大大提高測量精確度，效率和可靠性。

1 . 蝸輪傳動裝置

this valve can be provided many kinds of drives , if the hand moves device and gear gearing , pneumatic device and motor-driven device .本閥可配備多種驅動裝置，如手動裝置、蝸輪傳動裝置、氣動裝置、電動裝置。

1.The auto industry is in high gear.

汽車業在高速發展。