Ccsa
[计] 公用控制交换网
🗣️ 情景例句
what you need to fix up the old library.
你们修复旧图书馆所需要的东西。
The doctor said I should stop smoking cigarettes.
医生劝告我戒烟。
'I find it beautiful,' I said.
“我觉得它好看，”我说，