您要查找的是不是：
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- The spirally threaded shaft of a worm gear. 螺纹蜗轮的刻有螺旋线的柄
- The steering gear of a ship, especially the tiller or wheel. 舵柄，舵轮船的操舵装置，尤指舵柄或舵轮
- The driven gear fits its driving gear like a glove. 这个从动齿轮与它的主动轮啮合得非常好。
- The bottom end of the shaft has a worm gear that rotates as the wheel is turned. 转向轴的底端有一个蜗轮传动装置,当蜗轮传动装置转动时,带动车轮转动。
- My whole morning's work has been put out of gear by that mishap. 我一个上午的工作全让这倒霉的事给弄得乱了套。
- If I fall asleep at the wheel wake me up. 如果我开车时睡着了，就叫醒我。
- A wheel must have a shaft on which it may rotate. 一个轮子必须要有轴，这样它才能旋转。
- Cross cardan shaft is a kind of lifting gear. 十字万向轴是起重工具的一种。
- My wheel twisted off in the middle of the car race. 我的车轮子在汽车比赛中途脱掉了。
- His father is a big wheel in the government. 他的父亲是政府里的要人。
- All his camping gear was packed in the rucksack. 他的野营物品全都放在背囊里了。
- I got a flat tire of the rear wheel of my bicycle. 我自行车的后轮车胎没气了。
- Put the gear lever in the neutral position. 把变速杆推到空挡的位置。
- No one can hold back the wheel of history. 谁也无法阻止历史车轮的前进。
- Should change gear the engine's starting to labour. 你该换挡了－－发动机有些吃不住劲了。
- Flexibility, as in the shaft of a golf club. 弹性，韧性柔韧性，易变性，如高尔夫球棒的柄
- The car crashed when the wheel flew off. 车轮突然脱落，汽车接着失事。
- The bolt sheared (off) and the wheel came off. 螺栓折了，轮子脱了出来。
- The car has four forward gear and one reverse gear. 那汽车有四个前进挡和一个倒挡。
