Smoothometer
不平度测定仪
🗣️ 情景例句
You should perform what you promised to do.
你应该履行诺言。
I've got to get this shirt washed and ironed.
我得把这件衬衫洗熨一下。
There is only one difference between an old man and a young one:
老年人和年轻人之间仅仅有一个不同：