Constant system
[计] 定常系统
🧩 词语组成解析
🗣️ 情景例句
Strike while the iron is hot.
趁热打铁。
After eating breakfast,I go back upstairs again.
在吃早餐以后，我再回楼上。
I asked a passenger if this was the Westhaven Express, but he had not even heard of it.
我问一位乘客，这是不是开往威斯特海温的那趟快车，他说从未听说过有这么一趟快车。