Acn
abbr. Automatic Celestial Navigation 自动天体导航\\nabbr. 乙腈
🗣️ 情景例句
and they found it to be too easy--
他们发现字太简单了，
If I'm careful...
当心啊……
They had a good time, but I didn't go.
他们玩得很痛快，但我没有去。