Phosphoranedioic acid
[化] 正膦二酸
🧩 词语组成解析
🗣️ 情景例句
I'll believe it when I see it.
我觉得还是眼见为实。
We would appreciate it if you let us know whether you allow cash or trade discounts.
若能告知你方是否给现金折扣或商业折扣，将不胜感激。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。