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
What did you learn at school today?
你今天在学校学了什么？
Mad dog bites his master.
疯狗咬主人。
I like reading English books, but they're sometimes rather hard.
我喜欢看英语书，但有时候英语书相当难读。