Picromerite
n. [矿]软钾镁矾
🗣️ 情景例句
But now ...
但是现在……
No, I don't. Will it be a problem?
不，我没有，会有困难吗？
His answer was to lift the vessel out of the water by making it ride on a cushion of air,
他的解决办法是把船体提离水面，让船在一个气垫上行驶，