Air is all around us. It's around us as we walk and play.From the time we were born, air was around us on every side.When we sit down, it is around us.We live in air.
空氣包圍著我們,當(dāng)我們走路和玩耍的時(shí)候,它在我們周圍。從我們誕生之日起,空氣就在我們周圍了。當(dāng)我們坐下時(shí),它在我們身邊。我們生活在空氣中。