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单词 styrene resins
释义

styrene /stīˈrēn or stēˈrēn/

noun

An unsaturated hydrocarbon obtained from essential oils (such as the balsam storax) and coal tar, forming thermoplastics (styrene resins) on polymerization

ORIGIN: Gr styrax; cf storax
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更新时间:2024/9/20 8:34:35