Rabdionite
铜铝锰土
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
The child is father of (or to) the man.
三岁定终身。
Hi, Li Lei! Nice to see you again!
你好，李磊！又见到你了，真高兴！