Tcsec
可信计算机系统评价准则
🗣️ 情景例句
We picked flowers.
我们拾了花。
Fishing is often frustrating.
钓鱼常常会遭到挫败。
When a servant opened the door to fetch some wood, I spoke to her and persuaded her to let me in.
一个仆人开门取柴火时，我和她说话，并说服她让我进去。