单词	unidirectional
释义	u·ni·di·rec·tion·al (y′nĭ-dĭ-rĕkshə-nəl, -dī-) adj. Moving or operating in one direction only: a unidirectional microphone. u′ni·di·rec′tion·ali·ty (-nălĭ-tē) n. u′ni·di·rection·al·ly adv.
随便看	chairwoman chaise chaise longue chaise lounge chakra chakram chalah chalah chalaza chalazal chalazion Chalcedon chalcedonic chalcedony chalcid Chalcidian Chalcidice Chalcis chalcocite chalcogen Chalcolithic chalcophile chalcopyrite Chaldaea Chaldaean

英语词典包含135693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。