Permolybdate
过钼酸盐
🗣️ 情景例句
When can I photograph a class?
我何时才来上课呢？
He that hath no children,knows not what is love.
没有孩子的人，不知道什么叫做爱。
The Ambassador's wife went on asking questions, when she suddenly noticed a big hole in her husband's hat.
大使夫人继续提出问题，她突然又发现丈夫的帽子上有个洞。