单词	plaintful
释义	plaintful adjective plaint·​ful ˈplāntfəl : mournful Word History Etymology plaint + -ful
随便看	optioned optionees optioning options optive opto- optoelectronic optoelectronics optokinetic optologists optometers optometric optometries optometrist optometrists optometry optomotor reaction optophones opts opts (for) opts for opts in opts out opulence opulences

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。