Lanthanide
n. 镧系元素\\n[化] 镧系元素; 镧系
📖 牛津释义
lanthanide
n
(chemistry 化) any of the 15 elements in the lanthanide series, with atomic numbers from 57 (lanthanum) to 71 (lutetium) 镧系元素中之任何一种（从原子序数为57的镧到71的镥）.
🗣️ 情景例句
You're still thinking about something to do, aren't you?
你还在想要找点事做， 是吗？
What is the sort of furture?
这是什么风格的家具？
What is it?
什么好消息？