Tcsec
可信计算机系统评价准则
🗣️ 情景例句
You don't have to work yourself sick.
你不必让自己工作到病倒。
The fork is dirty, Would you bring me a clean one, please?
这叉子是脏的，请你拿个干净的给我。
The garden was soon littered with chunks of metal which had once made up a lawn mower.
一会儿工夫，割草机便被拆成一个个金属零件，乱七八糟地堆在花园里。