单词	thirtieth
释义	thir·ti·eth (thûrtē-ĭth) n. 1. The ordinal number matching the number 30 in a series. 2. One of 30 equal parts. thirti·eth adv. & adj.
随便看	on/upon (one's) hands on/upon request on/upon the heels of on uppers onus on view on vinyl on waivers onward on wax on way on welfare onycholysis onychomycosis onychophoran -onym -onymy onyx oo- oocyst oocyte OOD O'odham oodles oogamous

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。