单词	sleeplessness
释义	sleeplessness /ˈsliːpləsnəs / noun [mass noun] Inability to sleep; insomnia: he began to suffer from bouts of sleeplessness... I finally read the warning about nervousness, dizziness, or sleeplessness. In the international classification of sleep disorders, there are well over 80 specific causes of sleeplessness. A number of problems can contribute to your sleeplessness during pregnancy.
随便看	unsatisfyingly unsaturated unsaturated fat unsaturation unsaved unsavory unsavourily unsavouriness unsavoury unsay unsayable unscalable unscaleable unscaled unscarred unscathed unscented unscheduled unscholarliness unscholarly unschooled unscientific unscientifically UNSCOM unscramble

英语词典包含243303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。