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piperidine [p(a)ɪ'perədɪn] n
agric. 六氢吡啶 (CH₂(CH₂)₄NH)
oil 氮己环; 氮杂环己烷
perf. 哌啶
piperidine: 8 phrases in 5 subjects
Agriculture1
Chemistry3
Perfume2
Plastics1
Technology1

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