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- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- He is a plastic surgery specialist. 他是个整形外科医生。
- Many items in daily use are made out of plastic. 有很多日常生活用品是塑料制的。
- It is some kind of plastic made to imitate iron. 这是一种塑胶，但外观仿制得像铁。
- The fruit is prepackaged in plastic tray. 水果用塑料盘预先包装。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- Containing molecules consisting of two fused rings. 二环的包含由两个结合的环组成的分子的
- Many items in daily use are made of plastic. 很多日常生活用品是用塑料制成的。
- Substances consist of small particles called molecules. 物质是由叫做分子的微粒组成的。
- A kind of plastic stuff is used to make the plates. 这些盘子是用一种塑料制造的。
- Put your washing in the plastic bag. 把你要洗的衣物放到商行塑料袋中。
- Plastic flowers are a particular hate of mine. 塑料花是我特别厌恶的东西。
- Plastic is sometimes used instead of leather. 塑胶有时可以替代皮革。
- The computer is protected by a plastic cover. 计算机得到塑料套的保护。
- The molecules of a gas are moving about extremely fast in all directions. 气体的分子非常迅速地向四面八方运动着。
- A plastic cover protect the computer. 这台计算机由一个塑料防护罩盖着。
- This plastic is inferior in quality to glass. 这塑胶的质料比玻璃差。
- They are made of a common plastic resin. 它们是用一种普通的塑胶合成树脂做成的。
- It was some kind of plastic made to imitate iron. 这是一种塑胶,但外观仿制得像铁。
