haloid element

例句：

1. 1. The haloidelements are essential for life on Earth.
   卤素元素对地球上的生命至关重要。
2. 2. The haloid elements play a crucial role in theformation of the Earth's atmosphere.
   卤素元素在地球大气层形成中起着关键作用。
3. 3. The discovery of new haloid elements has sparked excitement among scientists.
   发现新的卤素元素引起了科学家的兴奋。