Vanadylous
亚氧钒根, 一价氧钒根的
🗣️ 情景例句
Have you discussed it with your parents?
你和父母商量过了吗？
Do you fly to Dallas on Sunday?
星期日你们有班机去达拉斯吗？
a moment later, he ran after me and thrust the pen into my hands.
一会儿，他突然从后追了上来，把笔塞到我手里。