Rubber is a strong, waterproof, elastic substance made from the juice of a tropical tree or produced chemically. It is used for making tyres, boots, and other products.
双语例句
例：
the smell of burning rubber.
橡胶烧着的气味。
2.?[C 可数名词] 橡皮
A rubber is a small piece of rubber or other material that is used to remove mistakes that you have made while writing, drawing, or typing.