Piga
abbr. polymeric immunoglobulin A 多聚免疫球蛋白A
🗣️ 情景例句
Sure. Put it back in your room, and we'll hang everything up later.
当然。将它放回你的房间里， 过一会儿我们来一件件挂起来。
Nothing is difficult to the man who will try.
世上无难事，只要人肯试。
You were very angry!
你火气真大！