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
And perhaps, you'll join us?
也许你能跟我们一起去
Better an open enemy than a false friend.
明枪易躲，暗箭难防。
It's a good idea to hold such conferences.
召开这样的会议真是个好主意。