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
They all work hard, without exception.
他们个个努力工作，无一例外。
How would you like to proceed with the negotiations?
你认为该怎样来进行这次谈判呢？
I think foreign languages are more interesting than science.
我想外语比自然科学更有趣。