P.-p. factors
[医] 抗糙皮病因子, 抗蜀黍红斑因子, 烟酸
🧩 词语组成解析
n. 因素（factor的复数）
🗣️ 情景例句
It's good, but it's a little expensive.
很好，不过价格有一点贵。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
We'll see his boat and then we'll say goodbye to him.
我们将参观他的船，然后和他告别。