Phosphoranedioic acid
[化] 正膦二酸
🧩 词语组成解析
🗣️ 情景例句
It is! She's having pains a minute apart!
是啊。她隔一分钟就会痛呀。
I came here when I was 20.
我二十岁来这儿。
How's the order coming along?
我们订的货怎样呢？