Procomplementary factors
[医] 前补体因子
🧩 词语组成解析
n. 因素（factor的复数）
🗣️ 情景例句
That is some history!
这阅历了不得，
He hasn't answered my letter yet.
他还没有给我回信。
My wife was wearing a hat that looked like a lighthouse!
我妻子戴着一顶像灯塔一样的帽子。