Integrometer
惯性矩面积仪
🗣️ 情景例句
He tried to smile.
他设法要微笑。
I want you to work for yourself, and for the well-being fo the society.
我认为你们应为自己工作，为这个社会的幸福而工作。
The curious thing was that the lake was not marked on the map.
奇怪的是那个湖没有在地图上标出。