Tpf
[医][=thymocyte proliferation factor]胸腺细胞增生因子
🗣️ 情景例句
The news reporter said that an airplane has just crash landed.
新闻播音员说一架飞机在着陆过程中坠毁了。
The wise man has long ears and a short tongue.
聪明人耳朵长，嘴巴短。
What are you doing, Li Lei?
李垒，你在做什么？