Icrf
国际天球参考架
🗣️ 情景例句
Maybe he can do the same thing for your grandfather.
也许他能为你爷爷做同样的事。
Please forgive me.I didn't mean to start an argument.
请原谅我。我没开始争论的意思。
I don't think anyone knows about this. I said.
“我想没人知道这一情况，”我说。