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
And it makes me feel good that you care about us.
你关心我们大家这使我太高兴了。
To have a girl friend
有女朋友
Fine, thanks, Mike.
我很好，谢谢你，迈克。