Osteolite
n. [矿]土磷灰石
🗣️ 情景例句
I'm sorry I'll have to pass.
很遗憾我得错过这回了。
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
Yet that is a rather trivial aspect of the matter.
这只是问题的一个次要的侧面。