Radiofluorescence
放射荧光; 辐射荧光
🗣️ 情景例句
Pete isn't home.
Pete不在家。
I'm sorry. I'm engaged now.
对不起，我现在正忙着。
The situation seemed hopeless and he knew his life was in danger.
这种情况看来是毫无希望了，他知道他有生命危险。