第二

second(adjective)

next after, or following, the first in time, place etc

第二

second(noun)

a second person, thing etc

秒

second(noun)

the sixtieth part of a minute

另一的，又一的

second(adjective)

additional or extra

（决斗中的）助手

second(noun)

a person who supports and helps a person who is fighting in a boxing match etc.

片刻

second(noun)

a short time

支持，赞成（提案等）

second(verb)

to agree with (something said by a previous speaker), especially to do so formally

二等的

second(adjective)

lesser in importance, quality etc

居第二位

second(adverb)

next after the first