Piga
abbr. polymeric immunoglobulin A 多聚免疫球蛋白A
🗣️ 情景例句
Have you ever been to Nanjing?
你曾去过南京吗？
You shouldn't refuse the children's request.
拒绝孩子们的恳求是件不好的事。
It only remains for me to pass all the money that she had to the right person.
对我来说，剩下的只是将她所有的钱交给合法的继承人。