Hellendall's sign
[医] 黑伦达耳氏征, 卡伦氏征(脐周皮变色,常见于子宫外孕及急性胰腺炎)
🧩 词语组成解析
🗣️ 情景例句
Experts say that a glass of red wine occasionally will do one's health a world of good.
专家说偶尔喝杯经酒对身体很有好处。
Please try to focus your attention on the speaker.
请试着把注意力集中于演讲的人。
It's an old film,but it's very good.
这是老部片子，但很好。