Phosphinous acid
[化] 三价膦酸
🧩 词语组成解析
🗣️ 情景例句
Who has torn these pages out of the book?
谁撕掉书上的这几页？
Pride goeth before,and shame cometh after.
骄傲走在前，羞耻跟在后。
It doesn't matter! Jim, do you remember we went to work on a farm last October?
没关系！吉姆，你还记得我们去年10月份去一个农场劳动的事吗？