名詞 secondary:

1. the defensive football players who line up behind the linemen
2. coil such that current is induced in it by passing a current through the primary coil
   同義詞：secondary coil, secondary winding

形容詞 secondary:

1. being of second rank or importance or value; not direct or immediate
2. inferior in rank or status
   同義詞：junior-grade, inferior, lower-ranking, lowly, petty, subaltern, subordinate
3. depending on or incidental to what is original or primary
4. not of major importance
5. belonging to a lower class or rank

1. He works in a secondary school.
   他在一所中學(xué)工作。
2. All other considerations are secondary to his safety.
   現(xiàn)在首先要考慮的是他的安全，其他事都是次要的。