Rfl
abbr. 无复发活存（Reiter-Feissinger relapse-free survival）；间苯二酚
🗣️ 情景例句
A real dilemma.
一个大伤脑筋的事。
It seems he's disappointed.
看起来他好像很失望。
Never mind, I'm feeling better now.
不要紧，我现在感觉好多啦。