英语词汇“precolumn”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	precolumn
释义	precolumn /ˈpriːˌkɒləm/ Chemistry noun A chromatographic column used to filter or modify a substance before it is passed through a second column. adjective Carried out prior to analysis or separation in a chromatography column. Origin 1950s. From pre- + column.
随便看	red-breasted nuthatch red-breasted sandpiper red-breasted snipe red-breeches red-brick red-bricked redbrick university Red Brigade Red Brigader Red Brigades red broomrape red-brown red bryony red-buck red buckeye redbud red-bug redbush red button red cabbage red campion redcap red-capped red-capped lark red card

英语词典包含243303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。

precolumn