Dialkyl alkylene diphosphonic acid
[化] 亚烷基二烷基双膦酸
🧩 词语组成解析
[机] 二烷基
亚烃基, 烯化, 烷撑
🗣️ 情景例句
These are wonderful--
这些好得很--
Buyers always pay great attention to packing.
买方通常很注意包装。
It's the library's. Please be more careful from now on!
“是图书馆的书。从现在起请你倍加小心！”