塑胶的用法和样例：
例句
-
这是一种塑胶，但外观仿制得像铁。
It is some kind of plastic made to imitate iron. -
很多东西使水污染，例如轮胎、垃圾和塑胶袋。
Many things pollute water, such as tires, trash, and plastic bags. -
这塑胶的质料比玻璃差。
This plastic is inferior in quality to glass. -
塑胶有时可以替代皮革。
Plastic is sometimes used instead of leather.
