Pneumothorax
n. 气胸\\n[医] 气胸
🗣️ 情景例句
Are you here on business or for pleasure?
你来这儿是出差还是游玩？
The best (greatest) fish keep (swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.
做广告的人在力图劝说我们买下这种产品或那种产品之前，已经仔细地研究了人的本性，并把人的弱点进行了分类。