Radiological safety
[医] 放射安全
🧩 词语组成解析
a. 放射学的
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
When a dog is drowning everyone offers him drink.
落井下石。
Goodbye, Helen.Nice to see you.
再见，海伦。见到你真高兴。