Vanadoan
含有亚钒的, 二价钒的
🗣️ 情景例句
Where do people hang out on the weekend?
大家周末都去哪儿玩？
May I have another cup of coffee?
我能再要一杯咖啡吗？
We'll let you know the next time we need to place an order.
下次需要订购时我们会通知你。