halogen
US /ˈhæl.ə.dʒen/
UK /ˈhæl.ə.dʒen/
名詞
1.
鹵素
any of the five nonmetallic elements: fluorine, chlorine, bromine, iodine, and astatine, that constitute Group 17 (VIIA) of the periodic table. The halogens are reactive, electronegative, monovalent elements that form strongly acidic compounds with hydrogen from which salts can be formed.
範例:
•
Chlorine is a common halogen used in disinfectants.
氯是一種常用的鹵素，用於消毒劑。
•
Iodine is an essential halogen for thyroid function.
碘是甲狀腺功能必需的鹵素。
2.
鹵素燈
a type of light bulb that produces a very bright light, often used in car headlights or spotlights
範例:
•
My car has bright halogen headlights.
我的車有明亮的鹵素大燈。
•
We installed new halogen lamps in the kitchen.
我們在廚房安裝了新的鹵素燈。