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- Father bought a new welcome mat for our new house. 爸爸为我们的新房子买了一个擦鞋垫。
- I wiped my shoes on the mat before I came in. 我在进门前把鞋在垫子上擦了擦。
- There are some clods of soil on the mat. 垫子上有些土块。
- I do not know why acids eat in metals. 我不知道酸腐蚀金属的原因。
- The force of his fall was broken by the straw mat. 草垫的缓冲作用减弱了他下跌的力量。
- Be careful you don't trip (up) on the mat. 小心别在地席上绊倒了。
- Copper and gold are both metals. 铜和金都是金属。
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来,烧坏了地席。
- Metals undergo expansion when heated. 金属加热时会膨胀。
- Our welcome mat is always out to our friends. 对于朋友,我们总是热烈欢迎。
- It follows that acids eat in metals. 由此可知,各种酸对金属都有腐蚀作用。
- Memory has been shown to reside in some metals. 已经证实,记忆存在于某些金属中。
- He lifted the mat and slid the key under (it). 他掀起垫子把钥匙悄悄放在下面。
- Metals expand when they are heated. 金属遇热则膨胀。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Some metals weld better than others. 有些金属容易焊,有的不容易焊。
- Metals contract in cold weather. 金属在寒冷的天气里收缩。
- A mat placed before a doorway for wiping the shoes. 门毯,门垫放在门口用于擦鞋底的垫子
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- Metals contract as they get cooler. 金属遇冷则收缩。