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
What's the problem?
什么问题？
Proverbs are short sentences drawn from long experience.
谚语言短简，得自老经验。
I'd like to come and cover the walls with some bright paintings.
我愿意给墙上画几幅色彩鲜艳的画。