您要查找的是不是：
- Keep down of you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The snail retreated into its shell. 蜗牛缩进壳里去了。
- A shell splinter embedded itself in the wall above his head. 在他头上方的墙壁上嵌有一块小小的贝壳片。
- The building was burned to a shell. 大楼被烧得只剩下空骨架。
- The despair left him a mere shell of a man. 他陷入绝望，形同躯壳。
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Keep down or you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The building was destroyed by an artillery shell. 这座建筑物被炮弹炸毁了。
- 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。
- Having a shell consisting of two hinged valves. 双瓣壳的有由两个开合的瓣组成贝壳的
- 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。
- I shall be expected to shell out (the money) for the party. 这次聚会可能要让我花钱。
- 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 clear plastic bubble or shell covering part of an aircraft. 镶有玻璃的座舱飞机上由透明的玻璃构成的透明圆罩或壳状物
