Epiphosphorite
肾磷铁钙石
🗣️ 情景例句
Our family has decided that we will definitely be traveling to Japan these Christmas holidays.
我们家里人明确定下了在这个圣诞节去日本旅游。
What's your address?
你的地址是什么？
where people first learned to write.
那里的人最早学会了写字。