Apha
abbr. 美国公共卫生协会（American Public Health Association）
🗣️ 情景例句
I'd like to introduce you to some of my friends.
我想介绍你认识一些我的朋友。
It can't be helped.
无能为力。
They must keep their hands behind their backs.
他们得一直将手放在背后。