单词	downhole
释义	downhole adjective : of, relating to, or used in a hole in the earth and especially in a borehole Word History Etymology down entry 3 + hole
随便看	nematoceras nematocerous nematocidal nematocide nematocides nematocyst nematocysts nematocyte nematodae nematodas nematode nematodes nematogen nematogene nematognath Nematognathi nematognathous nematogone nematogonous nematoid nematoidean nematological nematologies nematologist nematologists

英语词典包含469781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。