C2
[计] 操作系统安全性级别c2
🗣️ 情景例句
A table spoon is much bigger than a teaspoon.
汤匙要比茶匙大得多。
When the owl sings,the nightingale will hold her peace.
枭鸟唱歌，夜莺屏息。
We walk on the garden path.
我们走在花园小径上。