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
He is an impressive man.
他是一个令人难以忘怀的人。
There's still hope.
还是有希望的。
It is the ideal condition of the 'equal start' which only our most progressive forms of modern education try to regain.
这就是我们最进步的现代教育试图恢复的“平等起步”的理想状况。