Tcsec
可信计算机系统评价准则
🗣️ 情景例句
Try to take it easy.
放轻松点。
How much is a one-way ticket to Beijing?
一张到北京的单程票要多少钱？
So she was first in the queue. She sat nearest to the doctor's door.
所以她第1个排队。她坐的位子靠医生的门口最近。