单词	self-activity
释义	self-activity noun self-ac·​tiv·​i·​ty ˌself-ˌak-ˈti-və-tē  : independent and especially self-determined activity Word History First Known Use 1644, in the meaning defined above
随便看	slacking (off) slacking off slacklier slackliest slackline slackly slackness slacknesses slacks slacks (off) slacks off sladang sladangs slade slades slae slaes slag slag block slag cement slag concrete slag furnace slag glass slag heap slag hearth

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。