基本解释（在電子郵件或網上聊天室裡使用）再見（be seeing you的縮寫）。同根派生 bcnu相关词英英字典劍橋英英字典 written abbreviation for be seeing you: a way of saying goodbye at the end of an email or when leaving a discussion in an internet chat roombcnu剑桥字典bcnu柯林斯字典