Plumboniobite
铅铌铁矿
🗣️ 情景例句
I am happy to do it for you.
我很高兴为你们做这件事。
It's up to you to decide.
这主要取决于你。
Who could count the times Annie tried, failed, and then succeeded?
谁能数得清安妮尝试、失败直至最后成功的次数？