Tcsec
可信计算机系统评价准则
🗣️ 情景例句
I need to be in the top percentage of my class to study abroad.
为出国留学，我的成绩必须在班里名列前茅。
Mike and David hate to mow the lawn.
麦克和大卫都非常讨厌修剪草坪。
The child sobbed sadly.
小孩伤心地抽泣着。