sectors FREQ #22202 n. 分区；部门；扇区数（sector的复数） 释义与例句 n. 1. plural of sector 相关短语 private sector 私营成分, 私营部门 public sector 公共部门, 公共成分 quaternary sectors of the economy quaternary sector of the economy primary sectors secondary sectors tertiary sectors private sectors public sectors dip sectors quinary sectors boot sectors circular sectors circle sectors married sectors