Actinouranium series
[化] 锕铀系
🧩 词语组成解析
n. [化]锕铀
🗣️ 情景例句
it's going to be too late when I do remember.
等我想起来时已经太晚了。
It's a pencil.
那是一枝铅笔。
Here you are.
给你。