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
Vote for me, Ellen Stewart.
请投我， Ellen Stewart一票。
Don't be offended by his haste, he is a very busy man.
别为他的轻率介意，他是个大忙人。
It is the ideal condition of the 'equal start' which only our most progressive forms of modern education try to regain.
这就是我们最进步的现代教育试图恢复的“平等起步”的理想状况。