Security-graded
[法] 机密的
🧩 词语组成解析
a. 分等级的；按年级分的
🗣️ 情景例句
I don't like to waste my time chatting on the net.
我不想把时间浪费在网络聊天上。
No, No. You can't do it like that.
不行，不行。不能随你那样做。
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。