单词	developed black BH
释义	developed black BH noun often capitalized D & first B : diamine black bh Word History Etymology developed from past participle of develop
随便看	optional referendum optional writ optionalities optionality optionalize optionally optionals optionary optioned optionees optioning options optive opto- optoelectronic optoelectronics optokinetic optologists optometers optometric optometries optometrist optometrists optometry optomotor reaction

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。