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
You bet.
当然。
Hasty love, soon cold.
匆忙的爱情冷得快。
Thank you very much. It was nice to meet you.
非常感谢。见到你真高兴。