Operator notation
[计] 算子表示法, 算符表示法
🧩 词语组成解析
🗣️ 情景例句
Glad to see you too, we met two years ago.
我也很高兴，我们两年前见过一次。
Time works great changes.
时间能产生巨大的变化。
As the Commanding Officer explained later, one half of the station did not know what the other half was doing!
正如指挥官后来解释的那样，基地的这半边不知道那半边正在干什么！