Acn
abbr. Automatic Celestial Navigation 自动天体导航\\nabbr. 乙腈
🗣️ 情景例句
We really appreciate your advice.
我们非常感谢你的建议。
Late repentance is seldom true.
后悔少有诚意。
I'm hungry. I haven't eaten anything since yesterday.
我很饿了，昨天到现在都没吃过东西。