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
and there is room,
这里有地方，
How long will I have to wait?
我要等候多久呢？
That's a good idea.
好啊。