Actinium series
[化] 锕系(指89~103号元素)
🧩 词语组成解析
n. 锕\\n[化] 锕Ac
🗣️ 情景例句
I expect others to perform beyond their capacities.
我有时对别人的能力期望过高。
I'll leave for London if I finish my work today.
如果我今天完成工作，我就会去伦敦。
I've had enough of your garbage.
我听腻了你的废话。