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
Yes, indeed.
是的 ，原来如此。
Oh, I'm just going to take it easy.
哦，我只想休息休息。
She herself read them to me by spelling into my hand what was written in the book.
她亲自通过在我手上拼写书中的内容，把课本对我读出来。