Acn
abbr. Automatic Celestial Navigation 自动天体导航\\nabbr. 乙腈
🗣️ 情景例句
What is your favorite sport?
你最喜欢的运动是什么？
Speech is the picture of the mind.
言为心声。
It's the library's. Please be more careful from now on!
“是图书馆的书。从现在起请你倍加小心！”