单词	spontaneity
释义	spon·ta·ne·i·ty (spŏn′tə-nēĭ-tē, -nā-) n. pl. spon·ta·ne·i·ties 1. The quality or condition of being spontaneous. 2. Spontaneous behavior, impulse, or movement.
随便看	sit-up sit upon situs situs inversus Sitwell sitz bath sitzkrieg sitzmark SIV Siva Siva Sivaism Sivaist Sivan Sivash Sea Siwalik Hills six six-gun Six Nations six-pack sixpence sixpenny sixpenny nail six-shooter sixteen

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。