I need a strong rubber to hold these papers together.
我需要一根粗橡皮筋把这些文件捆在一起。
I have rubber boots, good strong rubber boots-and I am not afraid.
我拥有一双胶靴,一双结实好穿的胶靴——我无所畏惧。
Vulcanisation is a process, which turns the rubber into a strong elastic material.23.
Vulcanisation是一个过程,可以将橡胶转化为坚韧的物质。
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