Halogen
高中 Senior Highn. 卤素\\n[化] 卤素
📖 牛津释义
halogen
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].
🏥 医学释义
卤素，卤
🗣️ 情景例句
What a thoughtful boy he is!
他是个多么体贴的男孩啊!
For how long?
要借多久？
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。