词汇	比色板
释义	比色板医shade guide
随便看	Double agents live in a perpetual state of fear double aging double agitator mixer double aim double air bags double air blower double airbridges technique double air chamber tire double air chamber tyre double air flotation double air lock door double-alternation problem double altitude double altitudes double amber lines double amperometric titration double amplification circuit double-amplification circuit double amplitube doubleamplitude double amplitude double-amplitude double amplitude modulation double-amplitude-modulation double-amplitude-modulation multipli