Any of various large water beetles.
| 单词 | θ35757 | 
| 释义 | the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Coleoptera or beetles and weevils > 			[noun]		 > member of (beetle) > aquatic (3)		 water clock1634 Any of various large water beetles. Subcategories:— 			that swims on it's back			(2)		 | 
| 随便看 | 
英语词典包含1132095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。