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
Malcolm, this is Joanne Thompson. Malcolm
这是Joanne Thompson。
The man is a space scientist.
这个人是太空科学家。
He's upstairs.He's having a bath.
他在楼上。他正在洗澡。