R factors
[医] R因子, 叶酸
🧩 词语组成解析
n. 因素（factor的复数）
🗣️ 情景例句
The snow's really coming down.
雪下的真是大。
Why are you so angry?
你为什么这样生气？
It is said he has secret love affairs with two women!
据说他背地里和两个女人有关系！