Calcretes
(calcrete 的复数) n.钙质结砾岩
🗣️ 情景例句
He's got 20/20 vision.
他的视力很正常。
A match will set fire to a large building.
星星之火，可以燎原。
Good. I 'm glad we're all done.
太好啦，我真高兴一切都成了。