What is the full English name of BC?

Bc seems to be a continuous letter, but it is actually a swearing word, meaning idiot. Is a network term, which is common in Tencent \MSN.

BC also means BC.

B stands for Before, which means before. ...

C stands for Christ, which means Christ.

In the west, the year when Christ was born was 1 year, so it was called BC before that.

So it is customary to use BC or B.C. instead of BC.