inert gas

例句：

1. 1.The inert gases are used to create a vacuum for the experiment.
   惰性气体用于实验中创造真空。
2. 2. Inert gases are often used as a shielding material during surgery.
   在手术中，惰性气体常被用作屏蔽材料。
3. 3.The inert gases were released into the room to prevent any ignition.
   将惰性气体释放到房间中以防止任何点燃。