Piga
abbr. polymeric immunoglobulin A 多聚免疫球蛋白A
🗣️ 情景例句
Ellen, why don't you go out to the backyard
Ellen，何不去院子
I mean it.
我不是开玩笑的。
A writer makes order out of the anarchy of his heart;
一旦作家从内心的紊乱中理出头绪，