您要查找的是不是：
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- 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？
- 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。
- A thin skin or film, such as an organic membrane or a liquid film. 薄皮，薄膜如生物膜或液体膜等细薄的皮或膜
- A tightly stretched sheet or membrane, as on the head of a drum. 绷紧的薄膜状物挤压得很紧的平板或薄膜，如鼓面
- 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。
- A vibrating membrane in the ear helps to convey sounds to the brain. 耳膜的振动帮助声音传送到大脑。
- 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?
- Pneumatic membrane pump is adopted to automatically convey the ink. 采用气动隔膜泵,自动循环送水墨。
- The membrane of a bat's wing is interdigital. 蝙蝠翅膀的膜是长在趾间的。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- This membrane is semi-permeable. 这层膜是半渗透性的。
- A fold or ridge, as of skin, membrane, or shell. 皱襞如皮肤、膜或壳的褶或隆起物
- Such membrane lipids are amphiphatic molecules. 这种膜的类脂是一种有两种亲和性的分子。
