单词	enamel perikymata
释义	enamel perikymata 釉面横纹
随便看	differential forms differential form theory differential form without poles Differential forward differential foundation settlement differential fractionating differential fractionation differential fragment differential frame differential frame coding differential freight rate agreement differential frequency differential frequency circuit differential frequency hopped differential frequency hopping differential frequency-hopping differential frequency meter differential frequency offset estimation Differential-frequency paralleling differential frequency shift keying differential friction differential frictional effect differential frictoin effect differential frictoin effectdfe differential frost heave