Lanthanoid
镧系元素
🗣️ 情景例句
I'm sick of his long, empty speeches.
他那冗长而又没有内容的演讲令我厌倦。
We are accustomed to working hard.
我们习惯于努力工作。
Yes. I bought this blouse here last week, but there seems to be something wrong with it.
是的。上星期我在这里买了一件衬衣，但似乎有点毛病。