Prehn's sign
[医] 普雷恩氏征(鉴别附睾睾丸炎与精索扭转的一种测验)
🧩 词语组成解析
🗣️ 情景例句
I'll come and give you a hand tomorrow.
我明天来帮你忙。
That's a selfish point of view.
那是个自私的观点。
I have breakfast at 7:00 and then I go to school.
我七点吃早餐，然后去上学。