Polymolybdate
多钼酸盐
🗣️ 情景例句
That's wrong.
这是错的。
He that runs fastest gets the ring.
捷足先登。
A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!
在钟塔上干活的一位油漆工把一只油漆桶挂在了一根指针上，把钟弄慢了！