B-c
abbr. 公元前（Before Christ）
🗣️ 情景例句
When are you planning to get married?
你准备什么时候结婚？
Did you go to the school last night?
你昨晚去学校了吗？
Broadly speaking, human beings may be divided into three classes: those who are toiled to death,
劳累至死的人、