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
Thank you, everyone. See you next week.
谢谢大家。下星期见。
He is lifeless that is faultless.
人孰无过。
while the rest are constantly woken or kept awake by their trumpeting partners.
而其余则经常被与她们同睡、像吹号似地打着呼噜的男人吵醒或弄得睡不着。