Actinouranium decay series
[化] 锕铀衰变系
🧩 词语组成解析
n. [化]锕铀
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
I regard that man as lost, who has lost his sense of shame.
我认为，人丧失了廉耻就完了。
I found it on the floor.
在地板上找到的。