Hamman's sign
[医] 黑曼氏征(自发性纵隔气肿的一种听诊体征)
🧩 词语组成解析
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
Bind the sack before it be full.
做事应适可而止。
Yes. It's a Chinese car.
对，那是辆中国产的小汽车。