C2
[计] 操作系统安全性级别c2
🗣️ 情景例句
I hope so.
我希望如此。
Lies have short legs.
谎言是站不住脚的。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。