单词	visible channel
释义	visible channel 可见光
随便看	normal relation normal relations normal relationship normal relative humidity normal release normal release condition normal relief angle Normal renal function normal renin essential hypertension normal renin hypertension normal-renin hypertension Normal renin secretion normal representation Normal reproductive male population Normal reproductive state normal requirement normal residence normal residents normal residual normal resistance normal resolation normal resolution normal resonance Normal resonance normal respiration