Calcium wolframate
[机] 钨酸钙
🧩 词语组成解析
钨酸盐
🗣️ 情景例句
Who's in charge here?
这儿谁负责？
How long will you remain out?
你将会在外面逗留多久？
and he is very pound of the fact.
他甚至引以为自豪。