Lanthanum salfate
[机] 硫酸镧
🧩 词语组成解析
n. 镧\\n[化] 镧La
🗣️ 情景例句
So, are there any major cultural differences between our two nations?
我们两国间有什么大的文化差异吗？
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
Many people complain that computers are taking over their jobs.
许多人抱怨说计算机正在接管人的工作。