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Accompanying the visible light, a great deal of invisible radiation, or radiant heat, is emitted. 大量的不可见的辐射热,伴随着可见光释放出来。
Of or relating to the range of invisible radiation wavelengths from about750 nanometers, just longer than red in the visible spectrum, to1 millimeter, on the border of the microwave region. 红外线的一种波长在750毫微米（比可见光谱中的红光稍长）与1毫米（在微波波长的边缘）之间的不可见辐射的，或与其有关的
Of or relating to the range of invisible radiation wavelengths from about4 nanometers,on the border of the x-ray region,to about380 nanometers,just beyond the violet in the visible spectrum. 紫外光的，紫外线的刚刚超过可见紫光并在X射线区域边上，从大约4毫微米到380毫微米之间的不可视辐射波长的或与之有关的
Of or relating to the range of invisible radiation wavelengths from about750 nanometers,just longer than red in the visible spectrum,to 1 millimeter,on the border of the microwave region. 红外线的，一种波长在750毫微米（比可见光谱中的红光稍长）与1毫米（在微波波长的边缘）之间的不可见辐射的，或与其有关的。
Of or relating to the range of invisible radiation wavelengths from about4nanometers, on the border of the x - ray region, to about380nanometers, just beyond the violet in the visible spectrum. 紫外光的，紫外线的刚刚超过可见紫光并在X射线区域边上，从大约4毫微米到380毫微米之间的不可视辐射波长的或与之有关的
Of or relating to the range of invisible radiation wavelengths from about4 nanometers, on the border of the x-ray region, to about380 nanometers, just beyond the violet in the visible spectrum. 紫外光的，紫外线的刚刚超过可见紫光并在X射线区域边上，从大约4毫微米到380毫微米之间的不可视辐射波长的或与之有关的
Of or relating to the range of invisible radiation wavelengths from about 750 nanometers, just longer than red in the visible spectrum, to 1 millimeter, on the border of the microwave region. 红外线的：一种波长在750毫微米（比可见光谱中的红光稍长）与1毫米（在微波波长的边缘）之间的不可见辐射的，或与其有关的
An invisible breath, emanation, or radiation. 气味看不见的呼吸、放射或辐射
Some stars are invisible to the naked eye. 有些星体肉眼是看不见的。
He remains invisible when out of spirits. 闷闷不乐时，他不露面。
Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
An invisible breath,emanation,or radiation. 气味看不见的呼吸、放射或辐射
Germs are invisible to the naked eye. 细菌用肉眼看不见。
The gun can fire invisible rays. 这枪能发出看不见的射线。
The mends were almost invisible. 修补过的地方几乎看不出来。
Radiation reached unheard-of levels. 辐射作用已达到前所未有的程度。
That comet is invisible to the unaided eye. 那颗彗星只用肉眼是看不到的。
The differences are almost invisible. 这些差别简直难以辨认。
She was invisible in the dusk of the room. 她在昏暗的房间里别人看不到她。
An invisible breath, emanation , or radiation. "散发;发散:散发或发散的行为或情况.;"