Navstar
[計]= NAVigaion Satellite Timing And Ranging,導航衛星定時和測距
??? 情景例句
We'll get you home.
我們會送你回家的。
It seems he's famous.
看起來他好像很出名。
It looks as if she's gone away for a few days.
好象她要外出好幾天了。