Actinoid
a. 放射线状的\\n[化] 锕系元素; 锕系
🗣️ 情景例句
I hope so.
但愿如此。
A man may lead a horse to the water, but he cannot make him drink.
牵马到河易，强马饮水难。
The largest was 713 pounds.
最重的一个达713磅，