BC /ˈbiˈsi/ 縮寫
before Christ, 公元前
B.C.
adv : before the Christian era; used following dates before the
supposed year Christ was born; "in 200 BC" [syn: BC,
before Christ]
BC
adv : before the Christian era; used following dates before the
supposed year Christ was born; "in 200 BC" [syn: B.C.,
before Christ]