Lanthanide series
[化] 镧系
🧩 词语组成解析
n. 镧系元素\\n[化] 镧系元素; 镧系
🗣️ 情景例句
Hey, what's going on?
嗨，怎么样？
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
I'll try my best.
我尽力而为。