2 文書を見つけるための辞書。

• bc, b.c., before christ
• 紀元前
• before the Christian era; used following dates before the supposed year Christ was born; "in 200 BC"
• キリスト紀元の前

• b.c.e., bce
• 紀元前
• of the period before the Common Era; preferred by some writers who are not Christians; "in 200 BCE"
• 西暦紀元の前の期間の