Vanadylic
氧钒根的, 三价氧钒根的
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
By falling we learn to go safely.
吃一堑，长一智。
Yes. What is it?
有。什么事？