同根派生 methylene group相關(guān)詞英漢例句The carbide reacts with hydrogen on the surface to give a methylene.碳化物與氫在表面反應(yīng)產(chǎn)生亞甲基。Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers.柯達(dá)敘述了一種直鏈的活性亞甲基兩當(dāng)量的黃成色劑。methylene group更多例句