Osteolith
土磷灰石
🗣️ 情景例句
Western countries have evry strict visa requirements.
在西方国家有严格的签证要求。
That's an exaggeration!
太夸张了！
I just didn't wish to put you to the trouble of changing a large note.
只不过我不想麻烦你破开一张大票子罢了。