Vanadol
双氧钒基
🗣️ 情景例句
Seven o'clock, I'll pick you up at your office.
晚7点，我去办公室接你。
He phoned to cancel the meeting.
他打电话来取消会议。
Are we allowed to use the basin by the side of the cupboard?
我们可以使用器皿柜旁边的那个水盆吗？