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
As you see, the goods we ordered are seasonal goods.
你知道，我们这批货物是季节性的。
Today, they will introduce to you our newly built plant and research center.
今天，他们将会向您介绍我们新落成的工厂和研究中心。
so I got a ladder from the shed in the garden, put it against the wall,
于是，我从花园的小棚里搬来了一个梯子，把它靠在墙边，