Piga
abbr. polymeric immunoglobulin A 多聚免疫球蛋白A
🗣️ 情景例句
That was a wonderful dinner.
那次晚宴好极了。
On New Year's Eve, people usually cook lots of good dishes.
在大年夜，人们常常做很多好吃的。
What's wrong with these eggs?
这些蛋是怎么回事呀？