Spacecom
abbr. space-communication 航天通讯[交通]
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
He wants to change his appointment from Monday to Wednesday.
他想要把他的约会从星期一改到星期三。
I'm sorry I don't know. You'd better ask that policeman over there.
对不起，我不知道。你最好问问那边的警察。