Ybco
abbr. yttrium barium copper oxide 钇钡铜氧化物
🗣️ 情景例句
Marilyn, I have to tell you something.
我得告诉你， Marilyn
A near friend is better than a far-dwelling kinsman.
远亲不如近邻。
Come up these steps with me, please, and be careful.
请跟我走上这些台阶，请小心点。