Actinouranium decay series
[化] 锕铀衰变系
🧩 词语组成解析
n. [化]锕铀
🗣️ 情景例句
As simple as that.
就这么简单。
You've done me a great favour.
您帮了我大忙。
The Olympic Games will be held in our country in four years' time.
4年以后，奥林匹克运动会将在我们国家举行。