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
Last year's tax forms?
譬如去年的纳税申报表格？
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
There are some pictures in the room.
客厅里有几幅画。