扫盲班的英文：
literacy class

The literacy rate there is the highest in Central America.
那里的识字率居中美洲之首。

We want to promote literacy on a mass scale.
我们要大规模地提高文化水平。

Many adults have some problems with literacy and numeracy.
很多成年人在读写和计算方面都有困难。

Literacy and educational attainment is a matter of vital national interest
扫除文盲和教育成就是有关国家利益的大事。

Adult literacy amongst the proletariat has risen by 56 percent
无产阶级中有文化的成年人提高了56个百分点。

It is a step class.
这是踏板操训练班。

The class dismissed.
下课了。

The class teacher sectioned the class for dialogues.
老师把班级分组进行对话练习。

The class teacher dismissed the class on time.
教师按时下课。

A second - class letter is slower than a first - class.
二类信比一类信件慢。