英 [ˌsekənd ˈklɑːs]
次等的：比其他人不那么重要；与火车、飞机等的廉价旅行方式有关，大多数人使用；次等邮件比一等邮件便宜，寄送速度较慢；英国和其他一些国家的大学学位，是一个好的学位但不是最好的；如果你在火车、飞机等上乘坐二等座，你使用的是大多数人使用的廉价票；如果你使用二等邮件寄送东西，你使用的是廉价邮件；飞机或火车上的座位比头等舱差，也比头等舱便宜；比一等邮件便宜且速度较慢的邮件。
not the highest rank in a classification
not the highest quality in a classification
accommodations on a ship or train or plane that are less expensive than first class accommodations
同义词： Cabin class
of inferior status or quality
同义词： second-class
by second class conveyance
甚至一些航空公司在机舱等级称谓上玩花样：一等舱（First Class）改称为豪华舱（Deluxe Class）；二等舱（Second Class）改称为一等舱；三等舱改称为商务舱（Business Class）或经济舱（Economic Class），既做到了令人耳目一新，又能满足顾客的虚荣心...
一个得到二等功(Second class)的老兵,一个承诺负担收费擦鞋的雷峰式人物,其醒觉其本质由此可见一斑,绝不会是吞声忍让,冥顽不化的人,那终末闪现的争执我想也是源...
... od 老年智力衰退期 second class 第二堂课 second fiddle 交响乐第二小提琴 ...
second class 第二类; 第二堂课; 二等, 二流; 二等的; 二流货; 无固定座位的二等票 second class; second-rate 二流 .
（大学考试成绩）二等；二等舱；二流；（美）二等邮件（定期期刊等）
I recently travelled second class from Pisa to Ventimiglia.
我最近乘二等舱旅行从比萨到了文蒂米利亚。
Seven second-class passengers prepared to disembark.
7名二等舱的旅客准备下船了。
Older people should not be treated as second-class citizens.
不应把老年人当二等公民对待。
"We've been together four years and it's wonderful that we're no longer completely second class citizens.
VOA : standard.2010.03.03
The second class is the most popular application of what I'm doing now.
第二类的问题是我现在所做的最常见的应用
基础物理课程节选 : 耶鲁公开课
So I'm going to now do a second class of problems.
现在我要开始讨论另一类问题
基础物理课程节选 : 耶鲁公开课
And forty percent thought they should get a B, the second highest mark, just because they did most of the reading for class.
VOA : special.2009.03.12
Supporters of the code, more than a decade in the making, praised it as enhancing the rights of women and girls, who they say have been traditionally viewed as second-class citizens.
VOA : standard.2009.08.27
A.N. created a second class of trusts in 1971, the T-551 Trusts, set up in Nassau.
It is inhabited by one second class financial citizen of major league baseball- the Texas Rangers.
But EU countries which do not use the euro would worry about being relegated to second class.