【医】 optophone
light; ray; honour; merely; naked; scenery; smooth
【化】 light
【医】 light; phot-; photo-
make a sound; reputation; sound; tone; voice
【化】 sound
【医】 phon-; phono-; sonus; sound
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine