Csec
计算机安全评估中心
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
Scornful dogs will eat dirty puddings.
神气的狗也会吃赃布丁的。
As soon as he opens the gate from the outside, he comes into the garden and waits until the gate shuts.
它从外面把门一打开，就走进花园，等着门自动关上。