Vanadoan
含有亚钒的, 二价钒的
🗣️ 情景例句
Welcome aboard, Malcolm!
欢迎加入， Malcolm
Look! Lightening has struck the tree and it's on fire.
瞧！闪电划下来，引燃了树木。
First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。