同根派生 methylene group相关词英汉例句The carbide reacts with hydrogen on the surface to give a methylene.碳化物與氫在表麪反應産生亞甲基。Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers.柯達敘述了一種直鏈的活性亞甲基兩儅量的黃成色劑。methylene group更多例句