Actinide series
[机] 锕系元素
🧩 词语组成解析
n. [化]锕类
🗣️ 情景例句
What's your new job like?
你的新工作是什么性质？
There is a tremendous responsibility involved in raising children.
养育孩子是一桩责任重大的事情。
It is good to learn to work with others in a team.
学会在一个集体里与其他人一道工作是有益的。