Security classification
[计] 安全等级
🧩 词语组成解析
classification
[,klæsɪfɪ'keʃən]
n. 分类;分级;类别;（动植物等的）分类学;
class类别+ifi=fy使...+cation表名词 → classify分类+cation表名词 → 分类法
🗣️ 情景例句
You've got lots of time to improve your English.
你已经花了好多时间去提高你的英语水平。
So, you see...
所以啊，你该知道……
The twin towers are 110 storeys high, but high-speed lifts controlled by computer take only a minute to reach the top.
这座双塔式大楼有110层高，而由电脑控制的高速电梯只需一分钟就可以到达塔顶。