Actinoid
a. 放射线状的\\n[化] 锕系元素; 锕系
🗣️ 情景例句
That'll be fine.
好吧！
You've got no ID card, boy!
你是小孩吧，怎么没带身份证呀。
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，