Lanthanides
高中 Senior High镧族稀土元素, 镧系元素
🗣️ 情景例句
Don't worry about it. It's nothing.
别担心，没事儿。
Could you introduce me to her?
你能把我介绍给她吗？
Let's buy a newspaper, Liz.
我们买份报纸吧。莉兹。