Perphosphoric acid
[化] 过磷酸; 过二磷酸
🧩 词语组成解析
🗣️ 情景例句
No, Mom. We had a great time.
不， 妈妈。我们玩得很高兴。
I am very happy that you have come all the way from the United States to visit our company.
您不远千里从美国来我公司访问，我们感到非常高兴。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。