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
Who is it?
是谁?
He is supposed to be there on time.
按理说他应该准时到那儿。
Glancing at his map, he informed us that the next village was a mere twenty miles away.
他瞥了一眼地图，告诉我们前面再走不到20英里就是一个村庄。