单词	行为层次
释义	行为层次behavior level
随便看	medium--media medium, moderating medium-- moderating medium, multiplying medium-- multiplying medium, non-capturing medium nucleus medium octavo medium of circulation medium of exchange medium of higher refractive index medium of lower refractive index medium of transmission medium oil varnish medium orchid medium origin medium overlay medium pace medium pace bowler medium-pace bowler medium-pacer medium patent medium persistance phosphor medium phosphorus pig iron medium pitch pocket