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
How are you?
好吗？
Every shoe fits not every foot.
不能以己度人。
Come up these steps with me, please, and be careful.
请跟我走上这些台阶，请小心点。