The ancillary workers in an institution are the people such as cleaners and cooks whose work supports the main work of the institution.
例句
...ancillary staff.后勤人員...ancillary services like cleaning.清潔等后勤工作
ADJ
附屬的；附帶的
Ancillary means additional to something else.
例句
Ancillary charges are at least $30 per day...附加收費每天至少30美元。Scientific development meant the growth of numerous professions ancillary to medicine.科技發(fā)展意味著許多醫(yī)學(xué)衍生職業(yè)的增長。