Dibutyl ethylenediphosphonic acid(dbedp)
[化] 亚乙基二膦酸二丁酯
🧩 词语组成解析
[机] 二丁基
🗣️ 情景例句
What are you doing?
你在干什么？
A good maxim is never out of season.
至理名言不会过时。
And I want a large box of chalk, too.
我还要一大盒粉笔。