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
There was no way he could solve the problem.
他根本解决不了这个问题。
What is the way to the drugstore?
哪一个方向是去药房的？
Patience is a mark of confidence.
耐心是自信心的一种表现。