Botryolite
[化] 硅硼钙石
🗣️ 情景例句
I did , but everything is OK,so I decided to come back.
回去了， 但一切安好。于是我决定回来。
As the call, so the echo.
发什么声音，有什么回声。
What kind of problem.
什么样的问题呢？