complement setcomplementary setergaenzung complementsupplementary set补: repair; mend; patch集: gather; assemble; collect补集合: complementary sets, complements汞补集器: mercury scoop集的补集: complement of a set下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:补集,即可在微信中查询翻译