1
- coming after, less important than, or resulting from someone or something else that is primary第二的; 第二位的; 副的：
luck plays a role, but it's ultimately secondary to local knowledge.
运气起一定的作用, 但它相对于对当地情况的了解而言终究是次要的。
1.1
- of or relating to education for children from the age of eleven to sixteen or eighteen（与）中等教育（有关）的：
a secondary school.
中等学校。
1.2
- having a reversible chemical reaction and therefore able to store energy（化学反应）副的; 二代的。
1.3
- relating to or denoting the output side of a device using electromagnetic induction, especially in a transformer（电）次级的。
3
- Chemistry (of an organic compound) having its functional group located on a carbon atom which is bonded to two other carbon atoms【化】（有机化合物）二代的。
3.1
- (chiefly of amines) derived from ammonia by replacement of two hydrogen atoms by organic groups（主要指胺）仲的。
(pl. -ies)
1
- short for:
1.1
- Brit. a secondary school.〈英〉 SECONDARY SCHOOL的简称。
1.2
- Ornithology a secondary feather.【鸟】SECONDARY FEATHER的简称。
1.3
- a secondary coil or winding in an electrical transformer（变压器中的）次级线圈。
2
the Secondary
Geology, dated the Secondary or Mesozoic era【地质】〈旧〉中生代。
派生词
secondarily
adverbsecondariness
noun词源
late Middle English: from Latin secundarius 'of the second quality or class', from secundus （see SECOND1）.