Carbonolite
碳质岩
🗣️ 情景例句
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
It's no big deal.
这没什么大不了的。
There is nothing secretive about the Ombudsman's work for his correspondence is open to public inspection.
司法特派员的工作没有什么秘密可言，他的信件是公开的，供公众监督。