Tdf
[医][=t-cell derived factor]t细胞衍生因子
🗣️ 情景例句
There is nothing interesting in the newspaper.
报纸上没有什么有趣的新闻。
The remark made him shudder with fear.
那些话使他因恐怖而颤抖。
I shook my head and held up five fingers indicating that I was willing to pay $5.
我摇摇头，伸出5根手指表示我只愿出5镑钱。