单词	rickettsiosis
释义	rick·ett·si·o·sis (rĭ-kĕt′sē-ōsĭs) n. pl. rick·ett·si·o·ses (-sēz) Infection with or disease caused by rickettsiae.
随便看	backbreaking backchannel back-check back-checker backcountry backcourt backcross backdate back dive backdoor back down backdrop backed back-end back end backer backfield backfill backfire backfit backflip backflow back-form back-formation back formation

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。