Davidsohn's sign
[医] 达维逊氏征(上颌窦积液或瘤的一种体征)
🧩 词语组成解析
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
I hope I didn't offend you.
希望没有冒犯你。
He has often described to me how he picked up a masterpiece for a mere $50.
他多次向我详细讲他如何只花50英镑便买到一位名家的杰作。