Freund's reaction
[医] 弗罗因德氏反应(诊断癌的血清反应)
🧩 词语组成解析
🗣️ 情景例句
No, you needn't do that.
不行呀，你不必这样。
Not at all.
当然可以。（当然不介意）
You're not busy doing anything, are you?'
你不忙，是吗？”