Lanthanoid
镧系元素
🗣️ 情景例句
This sentence doesn't make any sense.
这个句子完全讲不通。
All one's geese are swans.
自吹自擂。
I've just arrived myself so forgive me if I don't seem to know what's going on.
我自己也刚到家。所以，如果我不了解情况的话，那么请你原谅。