Positron emission tomography
01
正电子发射断层扫描, PET
a medical imaging technique that uses a small amount of radioactive tracer material to diagnose and monitor diseases such as cancer, heart disease, and neurological disorders
语法信息
有生性状态
无生命
形态构成
复杂复合词
可数
复数形式
positron emission tomographies
例子
The PET scan revealed a hot spot indicating increased metabolic activity in the brain.
正电子发射断层扫描显示出一个热点，表明大脑中的代谢活动增加。
