Wachenheim-reder sign
[医] 瓦-雷二氏征(见于阑尾炎)
🧩 词语组成解析
红(外)光测距仪
🗣️ 情景例句
Still waters run deep.
冰冻三尺非一日之寒。
One today is worth two tomorrows.
今天一天抵明天两天。
The doctor began to operate on the boy.
医生开始给那个男孩动手术。