Divanadyl
二氧化钒根(四价根)
🗣️ 情景例句
Well, that'll be eighteen dollars and seventy cents.
嗯 ，十八美元七毛。
Do you often study history on Saturday?
你常常在星期六学历史吗？
The doctor's words made him feel comfortable.
医生的话让他感觉很舒服。