Learning system
[计] 学习系统
🧩 词语组成解析
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不能苔。
Thank you.
谢谢你。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。