Rigidometer
刚度计, 刚性测定计
🗣️ 情景例句
Everything. The American scene. People, places, events.
什么都拍。美国风光。人物 地方 事件。
It's nice to see you again. Have you changed jobs?
又见到你很高兴。你换了工作了吗？
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。