单词	slackness
释义	slackslack1 /slæk/ adjective Etymology ETYMOLOGYslack1 Origin: Old English sleac 1 with less business activity than usual:  Business was slack.2hanging loosely, or not pulled tight:  a slack rope3disapproving not taking enough care or making enough effort to do things right SYN lax:  slack security—slackly adverb—slackness noun [uncountable]
随便看	Pledge of Allegiance Pleistocene plenary plenipotentiary plenitude plenteous plentiful plentifully plenty plenum pleonasm Plessy v. Ferguson plethora pleura pleural pleurisy Plexiglas plexus pliability pliable pliancy pliant pliers plight plinth

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