Vanadic anhydride
[化] 五氧化二钒
🧩 词语组成解析
a. [化]钒的
[化] 酸酐; 酐; 某酐\\n[医] 酐, 脱水物
🗣️ 情景例句
If I marry you, there are going to be some ground rules.
要我嫁给你，有一些基本前提。
Beard the lion in his den.
老虎头上捉虱；太岁头上动土。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。