Phosphoranedioic acid
[化] 正膦二酸
🧩 词语组成解析
🗣️ 情景例句
He appeared ill at ease at the party.
他在宴会上显得很拘谨。
That's the way I look at it, too.
我也是这么想的。
Most of the parents will not be able to pay much money.
多数家长是付不起很多钱的。