methylKK [ˋmɛθəl] /ˈmɛθəl/发音名词1甲基化学Replacing one hydrogen atom with a methyl changes the compound's properties.把一个氢原子换成甲基,会改变这个化合物的性质。形容词1甲基的、含甲基的化学,用于名词前Methyl alcohol is highly toxic and must never be swallowed.甲醇毒性很强,绝对不可以吞食。用这个字练口说→