Pcns
abbr. polar coordinate navigation system 极坐标导航系统
🗣️ 情景例句
No music, no dance,
没有音乐， 没有舞蹈，
Thank you for your nice present.
谢谢你那么好的礼物。
I'm very sorry. Usually I'm very careful. I have never lost a book before. It won't happen again.
“很对不起。通常我是非常小心的。我以前从来没有丢过书。这样的事不会再发生了。”