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
I think it's time for the wedding to begin.
我想是婚礼可以开始的时候了。
Life is a shuttle.
生活犹如梭子。
Well, I suggest you see some of our national parks.
那么，我建议你参观一下我们的国家公园。