Frantzel's sign
[医] 弗伦策耳氏征(二尖瓣狭窄时的杂音改变)
🧩 词语组成解析
🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
The target shooting requires the power of concentration.
射击需要集中精神。
No, sir. Round.
不，先生，圆的。