Martinite
板鳞钙石
🗣️ 情景例句
Yes. Have the people arrived?
是的。客人来了吗
You can't make something out of nothing.
巧妇难为无米之炊。
They support the cables from which the bridge has been suspended.
高塔支撑着钢缆，而钢缆又悬吊着大桥，