synthetic rubber
柯林斯詞典
1. N any of various synthetic materials, similar to natural rubber, made by polymerizing unsaturated hydrocarbons, such as isoprene and butadiene 郃成橡膠
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<button id="q2ogs"></button> 1. N any of various synthetic materials, similar to natural rubber, made by polymerizing unsaturated hydrocarbons, such as isoprene and butadiene 郃成橡膠
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