n machine for scanning (scan 2b), esp one used by doctors, which uses a computer to give a picture of the inside of the body from a series of X-rays or other techniques 扫描器（尤指医疗用的）.

n[C]

a machine that passes an electrical beam over something in order to produce a picture of what is inside it
→scan
　a high-tech body scanner
a piece of computer equipment that allows written or printed information to be taken onto a computer and stored there
→scan