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
Let's just all calm down,
让我们全都冷静下来，
I'm glad you enjoyed it.
你喜欢我就高兴。
I need to change the time we meet for lunch.
我需要更改我们见面吃午饭的时间。