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- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- knapsack = backpack pump 背负泵
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- 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。
- Can you lend me your bicycle pump? 能把你的打气筒借给我吗?
- Let me take my camera out of my backpack. 让我把相机从我的背包里拿出来。
- My backpack is thin, but theirs are heavy. 我的背包是轻的,但他们的是重的。
- A large green backpack with an aluminum frame. 一个大的有铝架的绿色背袋。
- Here is an old-fashioned pump for drawing water from a well. 这里有一个旧式水泵可从井里抽水。
- It's time to wear my backpack and go to school. 开始背起书包上学堂了.
- To hike while carrying a backpack. 背着包徒步旅行
- Heaved his backpack into the corner. 他把背包往角落里一扔
- You will need to pump hard for several minutes to fill the tank. 你需用泵著实抽吸几分钟,才能把油箱灌满。
- Can you lend me a pump to blow up my bicycle tyres? 你能借给我个打气筒给车胎打打气吗?
- A: Can you put this thingie in your backpack? 你可以把这小东西放进你背包吗?
- I will bring them in my backpack. 我会把它们装在我的背包里。
- She found a seat, stowed her backpack and sat down. 她找到一个座位,把背包放好,坐了下来。
- That's a super backpack, And I love this tie. 那是个极好的背包,我喜欢这条领带。