Felsen treatment
[医] 费耳森氏疗法(治痢疾及溃疡性结肠炎)
🧩 词语组成解析
[人名] 费尔森
🗣️ 情景例句
That's amazing!
太令人吃惊了，真棒！
Have but few friends though many acquaintances.
朋友要少，熟人要多。
I'm sorry, these 2 books are 3 days overdue.
小姐，对不起，这两本书已经过期3天了。