Percolumbic acid
[化] 过铌酸
🧩 词语组成解析
🗣️ 情景例句
Everybody help yourselves.
大家请便吧。
A wise man thinks all that he says, a fool says all that he thinks.
智者思其所言，愚者言其所思。
Other experiments showed that her knees and shoulders had a similar sensitivity.
其他实验表明，她的膝盖和双肩有类似的感觉能力，