Gregory's sign
[医] 格雷戈里氏征, 罗符辛氏征(见于阑尾炎)
🧩 词语组成解析
🗣️ 情景例句
What do you do for a living?
你以什么为生？
He who lives by hope will die by hunger.
靠希望生活的人将饥饿而死。
Can't you do anything right?
成事不足，败事有余。