单词	delay seriously
释义	delay seriously 严重耽误
随便看	singular complex singular component singular concept singular cone singular configuration singular configuration curve surface singular configure singular congruence singular conic singular connective Singular consumer risk singular control singular control system singular coordinates singular correlation singular correspondence singular corresponding point Singular count nouns always take a determiner singular covariance Singular covariance matrix singular cover singular cover list singular crack element singular cube singular-curved-beam-method