Methylenediphosphonic acid(mdp)
[化] 亚甲基二膦酸
🗣️ 情景例句
Would you please hand me your customs declaration form?
请出示您的申报表给我？
Deliberate before you begin, then execute with vigour.
著手前要深思熟虑，执行要果断有力。
He was astonished at what he found.
看到的情景使吃惊，