英语词汇SAD怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	SAD
释义	SAD .es7eI5di: n [U] abbreviation for seasonal affective disorder (= a medical condition in which a person lacks energy and enthusiasm during the winter because of the reduced period of natural light) 季节性不适（seasonal affective disorder 的缩写）
随便看	vale valedictorian valentine valet valet valet valiant valiantly valid validate validation validity validly Valium valley valour valuable valuable valuables valuation value value value value valued

英汉双解词典包含44095条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。