Lanthanide series
[化] 镧系
🧩 词语组成解析
n. 镧系元素\\n[化] 镧系元素; 镧系
🗣️ 情景例句
I'm writing an article on the feelings about graduation.
我在写一篇关于毕业感想的文章。
The rotten apple injuries its neighbours.
一只死老鼠，弄赃粥一锅。
Please! said the man from downstairs.
“劳驾！”楼下人说。