Operational announcing system
[计] 操作通知系统
🧩 词语组成解析
v. 宣布；发表；通告（announce的ing形式）
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
A boisterous horse must have a rough bridle.
烈马要套粗笼头。
In the afternoon, classes are over at 3:30, and I get home at about 4:00.
下午三点半下课，我大概四点到家。