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 when I'm ready to go back,
而当我准备好要回去时，
Life is half spent before we know what it is.
等到认识人生，已经一半过去了。
When the Ambassador or Escalopia returned home for lunch, his wife got a shock.
当艾斯卡罗比亚国的大使回到家吃午饭时，把他的夫人吓了一跳。