汐汐蘑菇
公元前英文单词缩写为B.C.，其完整写法为Before Christ，读音为[bɪˈfɔːr] [kraɪst]。
重点词汇解释：
1、before
prep. 在……之前，先于；在……面前；面对（法院、法庭或其他官方机关）并受审；（宁愿……）不愿
conj. 在……以前；到……为止；以免，不然；（宁可……而）不愿
adv. 以前，过去，已经
2、Christ
n. 基督；救世主
int. 天啊！
扩展资料：
Before的用法：
Before用作副词，表示以前，与具体时间连用（置于其后），通常与过去完成时连用（多见于宾语从句中）。
Before也泛指以前，不与具体时间连用，可完成时或过去时连用。
Before后还可接以as短语，动词不定式，名词，动名词，形容词，副词，介词短语或现在分词，过去分词充当补足语的复合宾语。
nellie0223
Silk Road (the Silk RoaD. Originated in the 1st century BC, is an international trade route has important historical significance. Since a large proportion of silk in this line of business in 1877, the famous German geographer Ferdinand South von Richthofen (Ferdinand vonRichthofen) will be named the "Silk Road." It is not only an ancient international trade routes, is also connected to China, India, Persia (Persia, Greece and Rome in a splendid country The cultural bridge. China's four great inventions
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