Ibs
abbr. 情报库系统（Intelligent Building System）
🗣️ 情景例句
Hi.
嗨。
Who is it? Come down.
是谁？下来。
I had forgotten all about the snails when Robert suddenly said that I must stay to dinner.
我把蜗牛的事已忘得一干二净，罗伯特突然提出一定要我留下来吃晚饭，这才提醒了我。