noxious gas

• 有毒气体

noxious gas的用法和样例：

例句

1. Plastic will give out poisonous gas when burned.
   塑料燃烧时散发出有毒气体。
2. Phosphine is a toxic gas which ignites spontaneously in air.
   磷化氢是一种有毒气体，在空气中可以自燃。