Phosphonous acid
[化] 亚膦酸
🧩 词语组成解析
🗣️ 情景例句
I couldn't help laughing.
我忍不住笑出来。
Do you have difficulty matching you feelings with words?
你是很难把自己的心意用言语表达吗？
Yes, very hard. Years of hard work, very little food, only a small cold room to live in and never a moment's rest.
是的，境况很不好。多年劳累，食不果腹，斗室寒舍，从无休息。