英语词汇“pentamethylene”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pentamethylene
释义	pen·ta·methylene \“+\ noun Etymology: International Scientific Vocabulary penta- + methylene 1. : cyclopentane 2. : the bivalent radical −CH₂CH₂CH₂CH₂CH₂− derived from normal pentane by removal of one hydrogen atom from each end carbon atom
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