Piga
abbr. polymeric immunoglobulin A 多聚免疫球蛋白A
🗣️ 情景例句
It's OK to talk about it, Harry.
这件事可以摊开来谈， Harry。
Let's forgive and forget.
让我们摈弃前嫌。
concludes that it must be the gateway to world that lies beyond.
日落处想必是通往遥远世界的大门。