Perphosphate
过磷酸盐
🗣️ 情景例句
I think I want to study journalism
我想学新闻学
Knowledge is the antidote to fear.
知识可以解除恐惧。
In spite of all that has been said, the tourists have been picking leaves and cutting their names on the tree-trunk.
尽管有上述种种说法，但游客们还是照常摘树叶和把他们的名字刻在树干上。