Pcns
abbr. polar coordinate navigation system 极坐标导航系统
🗣️ 情景例句
That leaves a lot to be desired.
太不让人满意了。
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
No, I'm just looking at the menu. Are you hungry?
还没有，我正在看菜单。你饿了吧？