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
The annual school sports meet is held in March.
每年一次校运会在三月份举行。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。
Who says?
谁说的？