Boas's sign
[医] 博阿斯氏征(胃癌时胃液含有乳酸;胆囊炎时腰部感觉过敏)
🧩 词语组成解析
🗣️ 情景例句
It won't sound like a big deal,
这事听起来没啥严重，
Do you often do work during the holidays?
你常常在假日期间做工作吗？
You're welcome.
不客气。