radioisotope
n
radioactive form of an element, used in medicine, industry, etc to study the path and speed of substances through bodies and objects 放射性同位素.
🗣️ 情景例句
Why do you want to leave your current employment?
你为什么希望离开目前的工作?
A good face needs no paint.
美貌无需擦脂抹粉。
We've got to think of ways of changing people's habits.