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	mail flag mail messenger mail order mail room mail shell mail so mail-cheeked mail-order mail-order catalog mail-order house mail-rider mailabilities mailability mailable mailbag mailbags mailboats mailbombed mailbombing mailbombs mailbox mailboxes mailcars mailclad mailcoaches

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。