Onecha奥内查onen.一；一个；一体adj.一个的；某一个的；唯一的；同一的pron.任何人；某人one stage compressor单级压缩机one level subroutine一级子程序one-process picker单程清棉机one-dimensionalityn.单面性one- level channel一阶通路one-touch gelation触发胶化one-cylinder motor单缸发动机one-sided contract单务合同One who ministers.执行牧师职务者、帮助他人者One that protects.保护者能起保护作用的东西或人