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
I'd like a side order of onion rings, please.
我想再要一个洋葱圈。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
I haven't met him yet.
我还没见过他。