第二（个人或事物）　second person or thing mentioned or occurring

　I'm the second in my family to go to university.　我是我们家第二个上大学的。
　The first is better than the second.　第一个比第二个好。

1. C 第二名；第二类　the second person or thing in a particular grade or rank
2. P 第二份食物　second helping of food
3. C 秒　60th part of a minute of time or of angular measurement
4. C 瞬间，一会儿　short time; moment
5. C 助手，助理　 a person who helps another in a job or piece of work

　take only a ～　只用一会儿
　for a ～　一秒钟，一会儿
　in a ～　一会儿
　in a few ～s　几秒钟内

　Our team gets a second.　我们队得了第二名。
　He quickly ate everything on his plate and asked for seconds.　他很快地把他盘里的东西吃光，然后又要了第二份。
　It is needless to add that you are in want of a second.　你需要一个助手，那是不必说的。
　The average flow of the river is 200 cubic meters per second.　这条河平均流量为每秒200立方米。
　1°6′10″stands for one degree, six minutes, and ten seconds. 1°6′10″代表一度六分十秒。
　He said he will be back in a few seconds.　他说他一会儿就回来。

　第二　next after first in size, importance, time, order, etc.

　every ～ day　隔一天，隔日
　the ～ nature　第二天性，根深蒂固的习惯

　Osaka is the second largest city in Japan.　大阪是日本第二大城市。
　This second event was contemporary with the first.　第二个事件和第一个事件发生在同一时代。

　次等的，次要的　of an inferior or a less important kind

　～ to　仅次于…的
　～ to the United States　仅次于美国

　We never use second quality ingredients to build building.　我们决不使用次等材料用于建筑。

 ♣ second to none
　最好的　as good as the best
　What method is second to none?　什么样的方法最有效?

　其次，以第二位　in second place; after any-thing else; after the others

　I liked the deluxe edition, but I could afford only a second best.　我喜欢精装版，但我只买得起一本稍差一点的。
　Second again, we shouldn't do it in this way.　其次，我们不应该用这种方法来做它。
　We can't give Smith the position, to begin with, he's too young; second, I want my son to have the job.　我们不能把这个职位给史密斯。第一，他太年轻；第二，我想让我儿子就任这一职位。

1. vt.支持　 support
2. vt.赞成某提案　 rise or speak formally in support of a motion to show that the proposer is not the only person in favour of it

　～ a nomination　赞成某一任命
　～ sb's view　赞同某人的观点
　～ for service　调动（某人）而委以特殊任务
　～ sb for special duties　调派某人给予特殊任务
　～ to　把（某人）调〔派〕到…工作一段时间
　～ words with deeds　以行动支持自己的言论

　Will you second me if I ask him?　要是我求他，你帮我讲话吗?
　I seconded the nomination.　我赞成这一任命。
　He was seconded in his offer to help by several other friends.　他主动提出帮助他人，得到了他的几位朋友的支持。
　His view was seconded by most judges.　他的观点获得了大多数评判员的赞同。

 ♣ second for service　(v.+prep.+n.)
　调动（某人）而委以特殊任务　take (sb) from his ordinary duty and give his special duty
　Brooks was seconded for service on the General's staff.　布鲁克斯奉命调到将军的参谋部工作。
 ♣ second to　(v.+prep.)
　〈正〉把（某人）调〔派〕到…工作一段时间 allow (sb) to leave his usual job and work in (another place), often for a limited time
　After fifteen years of teaching, he was seconded to the Ministry of Education to advise them on school planning.　任教15年后，他被调到教育部协助制定教育规划。
　Jacelin was seconded to another branch of the army to lead special training courses.　杰斯林被调到另一个部门去负责特种训练工作。

　［同义词］ adj. double, extra, following, further
　［词源］古法语seconde（下一个，第二，跟随）