Vanadoan
含有亚钒的, 二价钒的
🗣️ 情景例句
This must be a proud day for you.
今天是你值得骄傲的一天。
Which one is easier?
哪一个是较简单的？
Thousands joined him when he led a march to the coast, with the purpose of making a little salt when he reached the sea.
为了生产一点盐，他带领游行队伍向海滨前进，当他们到达海滨时，成千上万的人参加了进来。