Chelatometry
螯合[络合]滴定法
🗣️ 情景例句
Oh, really?
噢，真的？
I buy some food on my way home.
我回家路上买些吃的。
but as a special favour, he would let me have it for $30.
作为特别优惠，他愿意让我出30英镑成交。