ultrared rays的用法和样例：
例句
- The plastic blocks infrared rays from sunlight.
这种塑料可以阻挡阳光中的红外线。 - What are infrared and ultraviolet rays?
什么是红外线和紫外线？
ultrared rays的相关资料：
临近单词
ultrabook
ultra
Ultrasound integrated back scatter
ultrafine colloidal antimony oxide
Ultra-violet absorbance spectrum
ultra-low permeability reservoir
ultra-violet fluorescence method
ultra-fine silver emulsion plate
ultrasound transmitting transducer
ultra-short radius radial system
ultra-fine grain metal materials
Ultra-Small Electronics Research
