Open the rear cover of the headlamp and pull the installed halogen lamp out. 打开照明灯后盖，取出原有的卤素灯泡。
The birds were approaching, their halogen outlines flickering in the sunny air. 鸟儿接近，他们的卤素概述闪烁的阳光空气。
halogen英英释义
Noun:
any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
