单词	echelle
释义	echelle noun ā-ˈshel  : a diffraction grating made by ruling a plane metallic mirror with lines having a relatively wide spacing Example Sentences Recent Examples on the Web The echelle spectrograph for rocky exoplanets and stable spectroscopic observations (ESPRESSO) is an excellent tool to make these observations. Chris Lee, Ars Technica, 28 Apr. 2020 Word History Etymology French, literally, ladder, from Old French eschele First Known Use 1949, in the meaning defined above
随便看	lophophytosis Lophornis Lophortyx lophosoriaceaes lophosoriae lophosorias lophostea lophosteon lophosteons Lophotidae Lophura bushranging bushrangings bushrope bushtit bushtits bushveld bushvelds bushwa bushwah bushwahs bushwalk bushwalked bushwalker bushwalkers

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。