单词	copyleft
释义	copyleftcop‧y‧left /ˌkɒpiˈleft $ ˌkɑː-/ noun [uncountable] the practice of making something such as software freely available and able to be used and changed
随便看	opportunistic opportunity oppose opposed opposing opposite opposition oppress oppressed oppression oppressive oppressively oppressor opprobrium Oprah OPSI opt optic optical optical character recognition optical fibre optical illusion optically optician optics

英语词典包含52748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。