Exhaled air

英 美
  • 呼出气体
  • air n.空气;天空;空中;感觉;神态;曲调;装腔作势v.晾干;使通风;广播
  • exhaled v.呼气;散发
    1. When a balloon spurts air, which direction will it fly in?
      喷出气体时,气球将向哪个方向飞行?
    2. The virus spreads through the air when an infected person expels air suddenly.
      当感染者急促地排出气体时病毒通过空气传播。