Lanthanides
高中 Senior High镧族稀土元素, 镧系元素
🗣️ 情景例句
Good day also to you.
再见！
Can I fix you a drink?
我给你调饮料好吗？
If we buy the smaller one, the IBM PC386, we might have to change it in a few years' time for a bigger one.
如果我们买一台较小的IBM386的话，过几年可能就得换一台较大的机子。