Sherwoodite
柱水钒钙矿
🗣️ 情景例句
The important thing is that you tried.
重要的是你已经努力过了。
Teach your grandmother to suck eggs.
班门弄斧。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。