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
We aren't going, for the simple reason that we can't afford it.
我们不去，原因很简单，我们负担不起。
Modesty is not only and ornament, but also a guard to virtue.
谦逊不仅可增添光彩也可以维护美德。
That's easier said than done!
说来容易做起来难哪！