source of infrared radiation造句

例句与造句

1. the galactic center is a rich and complex source of infrared radiation in which interesting phenomena occur in great variety .
   银河系中心是一个红外辐射丰富和结构复杂的源，在那里发生着各种各样的有趣现象。
2. It's difficult to find source of infrared radiation in a sentence. 用source of infrared radiation造句挺难的