您要查找的是不是：
- Ellipse species gears 椭圆类齿轮
- Careless use of the clutch may damage the gears. 离合器使用不慎可能损坏传动装置。
- 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。
- 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。
- Do wolves belong to the canine species? 狼是犬科动物吗？
- Most cars have four forward gears. 大多数汽车有四个前进挡。
- Should I shift gears before making a turn? 我拐弯之前该不该换挡?
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- All his camping gear was packed in the rucksack. 他的野营物品全都放在背囊里了。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- Put the gear lever in the neutral position. 把变速杆推到空挡的位置。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- Should change gear the engine's starting to labour. 你该换挡了－－发动机有些吃不住劲了。
- The car has four forward gear and one reverse gear. 那汽车有四个前进挡和一个倒挡。
- There are many species of chrysanthemum. 菊花品种很多。
- Our effort is gear to a higher level of production. 我们调整力量将生产推向更高的水平。
- Today the survival of our species is threatened. 今天人类的生存受到了威胁。
- You haven't got the feel of the gears in this car yet. 你对这辆汽车的排挡还不熟悉。
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- Resembling an ellipse in shape;elliptical. 椭圆形的形状类似椭圆的，椭圆的
