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
Our troop was under his command.
我们的部队由他指挥。
The class made noticeable improvement.
这班有明显的进步。
I'm sorry to hear that.
真遗憾。