1
- providing supplementary or additional help and support辅助的：
an auxiliary nurse
助理护士
auxiliary airport staff
机场辅助人员
the ship has an auxiliary power source.
这艘船有辅助电源。
1.1
- (of troops) engaged in the service of a nation at war but not part of the regular army, and typically of foreign origin（部队）后备的。
1.2
- (of a sailing vessel) equipped with a supplementary engine（航船）装有辅助发动机的：
an auxiliary schooner.
装有辅助发动机的纵帆船。
(pl. -ies)
1- an auxiliary person or thing助手; 辅助物：
a nursing auxiliary
护理助手, 护工
there are two main fuel tanks and two auxiliaries.
有两个主燃料箱和两个辅助燃料箱。
1.1
- N. Amer. a group of volunteers giving supplementary support to an organization or institution〈北美〉志愿队：
members of the Volunteer Fire Department's women's auxiliary.
志愿消防部女志愿队队员。
1.2
- Grammar an auxiliary verb【语法】助动词。
1.3
- a naval vessel with a supporting role, not armed for combat（海军的）辅助舰船。
词源
late Middle English: from Latin auxiliarius, from auxilium 'help'.