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
Oh, sure I do. Hi, Abe.
噢，我当然记得。嗨， Abe。
Can David foresee the end of the job work?
戴维能预知承揽工作的结果吗？
The order was in good shape when it left out factory.
货离开工厂时都是完好无缺的啊。