Goodbye, thanks for inviting me. I had a lovely time.
再见,谢谢您的邀请。我度过了一段美妙的时光。
They don't know when the wedding will be.
他们不知道婚礼将是什么时候。
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,