Phosphoranedioic acid
[化] 正膦二酸
🧩 词语组成解析
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
I will be starting holidays in May.
我将在五月份度假。
Snow lay thick on the ground.
地上积着厚厚的雪。