相关单词近义词 inactivity 不活动, laziness 懒惰, sloth 树獭, slothfulness 怠惰, indolence 怠情, sluggishness 惯性, lethargy 昏睡, quietness 平静, sleepiness 想睡，困倦, torpidity 麻木, torpor 麻木临近词SED, Seder 返回 sedentariness