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
Are you ready?
你准备好了吗
I'll finish my work in no time, and then we're going to have a nice dinner together, OK?