Radiocounting
放射性计数
🗣️ 情景例句
What's the best place for souvenir hunting?
在哪儿可以买到最好的纪念品？
All is not lost that is in danger.
在危险中的东西未必都会损失。
I want to find out more about my 'roots,' he said.
“我想要更多地探寻我的‘根’。”