您要查找的是不是：
- pump sun gear 泵的太阳齿轮
- An outer gear that revolves about a central sun gear of an epicyclic train. 围绕本轮列车的中心齿轮旋转的外部齿轮。
- The bike chain drives a sun gear on the rear axle, which transmits power to planetary gears situated around it. 自行车的链条会驱动后轮轮轴上的太阳齿轮，将动力传送到四周的行星齿轮。
- The seedling have shrivel up a bit in the hot sun. 在炎热的太阳光下，幼苗已有一点乾枯。
- Finite element analysis of sun gear of oil-submerged planetary reducer 井下专用行星减速器中心齿轮有限元分析
- The eggs began to decompose after a day in the sun. 鸡蛋在太阳下放了一天后开始变坏。
- It gets cold quickly when the sun goes down. 太阳下山后天气很快就会冷下来。
- The trees outside the window blocked off the sun. 窗外的树木挡住了阳光。
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
- There is nothing unconquerable under the sun. 世上没有不可征服的东西。
- The sun glared down relentlessly. 太阳毫不留情地发出强烈的光。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- The sun glare out of the blue sky. 太阳从蓝天中发出耀眼的光。
- A brilliant sun lit up their rooms. 灿烂的阳光照亮了他们的屋子。
- This tire is flat; you didn't pump enough air in. 这个轮胎没气了;你并没打足气。
- We have a pump for drawing water from the well. 我们用一个水泵从井里抽水。
- The heart is analogous to a pump. 心脏和水泵有相似之处。
- The wet clothes will soon dry in the sun. 湿衣服在太阳下很快就会干的。
- Can you lend me your bicycle pump? 能把你的打气筒借给我吗？
