Cetta
[化] N-二亚乙基三胺四乙酸; N-β-羧乙基二亚乙基三胺四乙酸
🗣️ 情景例句
How do you tie it?
你怎么打的？
How much wool did you want to order?
你要订购多少羊毛？
I can't find it. There are just a few loose coins at the back of the drawer.
我也找不到。在抽屉底只有一些零散的钱币。