基本解释（網上聊天時的用語）重新廻到鍵磐旁（back at the keyboard的縮寫）。同根派生 bak相关词英英字典劍橋英英字典 written abbreviation for back at the keyboard: used when you return to a discussion in an internet chat room after you have left it for a short timebak剑桥字典bak柯林斯字典