Ybco
abbr. yttrium barium copper oxide 钇钡铜氧化物
🗣️ 情景例句
I want you to know something, Son.
我希望你知道一件事， 孩子。
The Senator acceded to his defeat before the end of the election.
那位参议员在选举结束以前就承认落选了。
We were getting very worried.
我们都非常担心呢。