Valid state
[计] 有效状态
🧩 词语组成解析
🗣️ 情景例句
I've never been more relaxed.
我从来没像这样轻松过。
A penny saved is a penny earned(or gained).
省钱就是赚钱。
When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield.
当飞机到达时，一些侦探等候在主楼内，另一些侦探则守候在停机坪上。