Ibs
abbr. 情报库系统（Intelligent Building System）
🗣️ 情景例句
We really don't have to be overly concerned.
我们真的不需要过分担心。
Could you spare me some matches?
您能让给我几根火柴吗？
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。