Pcns
abbr. polar coordinate navigation system 极坐标导航系统
🗣️ 情景例句
And a good paint job.
还需要好好的粉刷。
I'm looking for a half-time job.
我在找半工半读的工作。
he realizes its volume, as the space that the shape displaces in the air.
他能意识到物体的体积，那就是它的形状在空气中所占的空间。