公元前
在线英汉词典
BC的短语、例句：
BC abbr 缩写 = 1 Before Christ 公元前: in (the year) 2000 BC 在公元前2000年. Cf 参看 AD. 2 British Council (a government-sponsored organization for the promotion of English language and culture in other countries) 英国文化协会.

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