Actinouranium series
[化] 锕铀系
🧩 词语组成解析
n. [化]锕铀
🗣️ 情景例句
I've really got nothing to complain of.
我确实没什么好抱怨的。
His wife died a year ago. Now he lives alone.
他妻子去年去世了。现在他一个人住。
No one knows how long it will last.
谁也不知道会持续多久。