Calcium perborate
[医] 过硼酸钙
🧩 词语组成解析
n. [化]过硼酸盐
🗣️ 情景例句
He made a favorable impression on her father.
他给她的父亲留下了很好的印象。
What time does the train for Boston leaves?
去波士顿的火车几点开？
Oh, I'm sorry to hear that.
噢，真遗憾。