Percolumbic acid
[化] 过铌酸
🧩 词语组成解析
🗣️ 情景例句
It's about moving to Los Angeles.
是关于搬家到Los Angeles的事。
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
and content in the thought that what was possible has been done.
想到能做的事都做了，也就坦然了。