Chelometry
螯合滴定法
🗣️ 情景例句
I hate to bother you, could you give my car a jumpstart?
我本不想麻烦你，请问你可以帮我把车起动一下吗？
How much does it coat?
它值多少钱？
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。