单词	speleology
释义	spe·le·ol·o·gy (spē′lē-ŏlə-jē) n. 1. The scientific study of caves. 2. Exploration of caves. [French spéléologie : Latin spēlaeum, spēlēum, cave (from Greek spēlaion) + -logie, -logy.] spe′le·o·logi·cal (-ə-lŏjĭ-kəl) adj. spe′le·olo·gist n.
随便看	cognizant cognomen cognominal cognoscente cogongrass cogon grass cog railway Cogswell chair cogwheel cohabit cohabitant cohabitation cohabitational cohabiter Cohan coheir coheiress Cohen Cohen cohere coherence coherency coherent coherent control coherently

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。