Ybco
abbr. yttrium barium copper oxide 钇钡铜氧化物
🗣️ 情景例句
What's your major?
你是什么专业的？
My sister graduated from high school.Graduation was last night.
我的姐姐从高中毕业了.毕业典礼是昨天晚上。
Thanks.
谢谢。