BC

公元前英释中释(before Christ) used after a date to show that it was before the birth of Christ

1 The first significant civilizations of Europe formed in the second millennium BC..欧洲第一个重要的文明出现在公元前第二世纪。

2 Greek playwright back in 500 BC. Many historians consider him the father of Greek tragedies..公元前500年时的希腊剧作家。许多历史学家认为他是希腊悲剧之父。

3 The stone monument is believed to be erected near 2500 BC though there is no concrete proof the origin..尽管没有充分的证据，但人们相信这座石碑在公元前2500左右就被竖立起来了。