Radlo
abbr. 放射防护员（radiological defense officer）
🗣️ 情景例句
Yes.
是的。
Do you ever go swimming on the weekend?
你曾经在周末去游泳吗？
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。