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
What's your favorite food?
你最爱的食物是什么?
Good fame is better than a good face.
美名胜美貌。
Mr. Smith knew Jack didn't look at the others because he was nervous.