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
What is it?
是什么主意？
How much will that be altogether?
总共多少钱？
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。