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
It was wet yesterday.
昨天下雨。
Poor men's words have little weight.
人微言轻。
We've been anxious about you. We were expecting you back much earlier.
我们都为你们着急呢。都盼着你们早点儿回来。