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
The plight of starving people is too awful to think about.
饥民的苦境糟得不可想象。
May I have the check,please?
我可以检查一下,好吗？
Good idea! Shall we ask Jim?
好主意！要邀请吉姆吗？