Ballooning
[ [bə'lu:niŋ] ]
出国 Abroad
[医] 气胀术
🗣️ 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
There are only two minutes left.
只剩两分钟了。
How long can you hold your breath underwater?
你在水里屏住气不呼吸能呆多久？