Actinide series
[机] 锕系元素
🧩 词语组成解析
n. [化]锕类
🗣️ 情景例句
Are you a Republican, or a Democrat?
你是共和党人还是民主党人？
I can assuer you of our close cooperation.
我保证通力合作。
'How's Tommy?' he asked.
“汤米怎么样？”他问。