Permolybdate
过钼酸盐
🗣️ 情景例句
Have you ever been to Guangzhou?
你以前来过广州吗？
It is better to be safe than sorry.
事后追悔不如事前稳妥。
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此，出现了这样一个简单的事实--野牛数目换的变化对平原的整个野生生物链都产生了影响。