BC [ˌbi:'si:]以下由轻松背单词网站提供
单词级别第3级基本释义(=before Christ)公元前英英释义before the Christian era; used following dates before the supposed year Christ was born;参考例句By 1800 BC, the climate is known to have changed. 在公元前1800年,据说气候已经改变。In 221 BC, there was a poor scholar in Shanxi Province. 公元前221年,山西有一位穷书生。 推荐阅读 |