Pcns
abbr. polar coordinate navigation system 極坐標導航系統
??? 情景例句
I'll pick you up.
我去接你。
Can you do it?
你行不行啊？
Mr.Taylor, the owner of a jewellery shop was admiring a new display.
珠寶店主泰勒先生正在欣賞新布置的櫥窗。