电磁辐射
参考答案：
指电磁波通过空间或媒质传递能量的一种物理现象，包括电离辐射和非电离辐射
Why don't you take off your shoes and have them washed? They will soon ______ in the sun. [ ]
A. hang out
B. dry out
C. warm up
D. dry up
现存的黄鹤楼首次进行整修是在哪一年？
