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	Quonset hut quorate quorum quota quotation quotation quote quote quoth quotidian quotient Qur'an R R R R R R r rabbi rabbinical rabbit rabbit rabble rabid

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。