Lanthana
氧化镧
🗣️ 情景例句
All of this comes before eating. OK?
这些都是在吃之前先得做的事 ，知道吗？
It isn't much.
这是微不足道的。
The police were astounded when Mrs.Ramsay told them what she had done.
拉姆齐太太把她所做的事告诉了警察，警察听后大为吃惊。