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
What do you mean?
你是什么意思呀？
Her husband doesn't think she should continue working after the baby is born.
她的丈夫认为女人生了孩子就不应该再继续出去工作了。
this little 'o' indicated that the train only stopped for mail.
这个标记表示列车是为装邮件而停车。