单词 | halogen |
释义 | [/ˈhælədʒən; ˋhælədʒən/] n (chemistry 化) any of the chemical elements fluorine, chlorine, bromine and astatine which form salts by simple union with a metal 卤素: [attrib 作定语] halogen lamps/headlights 卤素灯[前灯]. |
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