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
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
Where are my glasses?
我的眼镜在哪儿？
said Jim. Somebody or something took it. We won't go until we get it back again!
吉姆说，“什么人或者什么东西把它拿走了。不把它找回来我们就不走！”