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
Are we too late for our dinner reservation?
我们会不会错过晚餐订位时间
I am pleased to say that we will be able to deliver the transport facilities you require.
很高兴告诉您你方要求的运输设备我方可以发货。
Here you are.
给你这信。