Vanadyl
[机] 氧钒基
🗣️ 情景例句
Not at all.
不客气。
The best hearts are always the bravest.
最善良的人往往是最勇敢的人。
It is a good idea to start a part-time job so long as it does not affect your studies.
只要不影响学习，干兼职工作的想法是不错的。