Siltstone
n. [地]粉砂岩
🗣️ 情景例句
I think I can swing that.
我想我能办到这点。
What is worth doing at all is worth doing well.
事既值得做，就把事做好。
They were visited by a large colony of ants which obtained a sort of honey from them.
蚜虫遭到一窝蚂蚁的攻击，蚂蚁从它们身上可以获得一种蜜。