A synthetic rubber produced by copolymerization of a butylene with isoprene, nearly impermeable to air and used in tires, inner tubes, and insulation.
通过丁烯和异戊二烯的共聚作用化合而成的一种合成橡胶，几乎不透空气，用作轮胎、内管道和绝缘等的材料中。
The tires of the trucks are flat. The inner tubes might be punctured.
卡车轮胎瘪了，内胎可能被刺穿。
The tires of the trucks are flat. The inner tubes might be punctured.
卡车轮胎瘪了，内胎可能被刺穿。
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