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
Can I ring you up?
我可以给你打电话吗？
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
local epidemics of this disease could be created.
就可以使这种疾病在一个地区蔓延起来。