Vanadyl
[机] 氧钒基
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
Whom will you invite to the meeting?
你将邀请谁参加会议？
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.
他考试过关了，更惬意的是，他大学毕业时，所赚的钱足够他开始经营自己的行业--为游客提供导游服务。