Diboride
二硼化物
🗣️ 情景例句
No, I'm sorry. This is our rock-bottom price.
很抱歉，这是我们的最低价格。
That's fine.
那很好。
It's my birthday, and I'm going to have a party. Didn't you know?
我的生日聚会，我计划举办一个聚会。你不知道吗？