secondary
名词 secondary:
the defensive football players who line up behind the linemen
coil such that current is induced in it by passing a current through the primary coil
同义词:secondary coil, secondary winding
形容词 secondary:
being of second rank or importance or value; not direct or immediate
inferior in rank or status
同义词:junior-grade, inferior, lower-ranking, lowly, petty, subaltern, subordinate
depending on or incidental to what is original or primary
not of major importance
belonging to a lower class or rank