单词	1810--symphurus rafinesque
释义	Symphurus Rafinesque，1810无线鳎属
随便看	threshold marker threshold mode threshold model threshold models threshold modulation threshold moisture threshold neutron threshold, neutron threshold of a door threshold of audibility threshold of consciousness threshold of crack extension threshold of damages threshold of deadly current threshold of demand threshold of detectability threshold of discomfort threshold of fatal (high or low) temperature threshold of fatal temperature threshold of feeling threshold of feelings threshold of flicker irritability threshold of flicker perceptibility threshold of hearing threshold of heaven's gate,