vs.

    methane 对比 methene
    分析 词典对比 组词对比
    (1).中国译典 methane methene
    n.
    甲烷, 沼气
    扩展解释:n. 【化学】
    甲烷,沼气,甲烷
    n. 【能源工程】
    甲烷,甲烷,沼气
    n. 【化学】
    甲叉,亚甲基
    (2).维基词典 methane methene
    Any of very many derivatives of methane.
    methylene
    (3).牛津词典 methane methene
    The trivalent =CH— group; = methine. Now chiefly Biochemistry.
    (4).韦伯斯特词典 methane methene
    A light, colorless, gaseous, inflammable hydrocarbon, CH4; marsh gas. It is the simplest of the aliphatic hydrocarbons. See Marsh gas, under Gas.
    See Methylene.
    简典