Aao
abbr. 美國(guó)眼科協(xié)會(huì)（American Academy of Ophthalmology）；美國(guó)正牙學(xué)協(xié)會(huì)（American Association of Orthodontists）；英澳天文臺(tái)（Anglo-Australian Observatory）；行政上訴辦公室（Administrative Appeals Office）
??? 情景例句
You don't need to do that.
你不用那么做的。
Confession is the first step to repentance.
悔罪先須認(rèn)罪。
One day, he walked into an expensive shop after having been caught in a particularly heavy shower.
一天，他遇上一場(chǎng)瓢潑大雨，淋得透濕。