Actinide series
[机] 锕系元素
🧩 词语组成解析
n. [化]锕类
🗣️ 情景例句
and I've been trying to find just the right thing for her.
而我一直在为她找件合适的东西。
Do you have any questions at this point?
就这一点你们还有什么问题吗？
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？