C2
[计] 操作系统安全性级别c2
🗣️ 情景例句
That's right.
对了。
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
'I was just wondering how to spend the morning -- until I saw you.
“我正不知道怎么消磨这一上午呢，正好见到好。