1989 ac造句
造句与例句手机版
- After discovery, minor planets generally receive a provisional designation ( such as " 1989 AC " ), then a sequential number ( such as 4179 ), and finally ( optionally ) a name ( such as " Toutatis " ), in that order.
- It's difficult to see 1989 ac in a sentence. 用1989 ac造句挺难的