Nitropyromucic acid
[化] 硝基焦粘酸; 硝基-α-呋喃羧酸
🧩 词语组成解析
🗣️ 情景例句
We have to advance the building of the new school.
我们必须促进新学校的建设。
I cannot afford two days off a week.
我忙得无法一星期抽出两天休假。
Yes, speaking.
是我，请讲。