Keilhauite
[化] 钇铈榍石
🗣️ 情景例句
But next time, please ask me in advance to make a speech.
不过下一次请事先通知我一声要做演讲喔。
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
who put his questions to nature instead of to the ancients,
他向自然界而不是向古人提出问题，