Lanthanides
高中 Senior High镧族稀土元素, 镧系元素
🗣️ 情景例句
Yes, but the number's no longer in service.
打过，但那个号码是空号。
To worry about tomorrow is to be unhappy today.
担心明天，今天就不愉快了。
Oh yes! I know she quite often eats chicken at home.
噢，对了！我知道她在家里常吃鸡肉。