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
Let's go to the movies.
我们去看电影吧。
Uh-oh, here comes my boy friend, he's insanely jealous.
噢，我男朋友过来啦，他可是个大醋坛子呦。
Bad luck! said Mother. It doesn't matter!
“真糟糕！”妈妈说，“没关系！”