听力原文

Zhongdong cave school is made up of six classes, with a total of 200 children.
中东洞穴学校由六个班级，共200名学生组成。
As well as the school, the cave houses 18 families, together with their livestock.
如同这所学校，这个洞穴是18户人家和他们牲畜的聚居地。
These could be the only cave-dwelling cows on earth. With schoolwork over, it's playtime at last.
这或许是世界上唯一在洞穴中饲养的牛了。放学后是游戏的时间。
In southern China, caves aren't just used for shelter, they can be a source of revenue for the community.
在中国南方，洞穴不仅用于遮蔽，他们也能为当地人带来恩惠。

重点讲解

重点讲解：
1. be made up of
由…组成，由…构成；
eg. Food is made up of carbohydrates, proteins and fats.
食物由碳水化合物、蛋白质和脂肪构成。
eg. The Morse Code is made up of dots and dashes.
莫尔斯电码由点和画线组成。
2. a total of
总共；总数为；
eg. Out of a total of 2,602 pupils only 922 passed the test.
所有2,602名学生中，只有922名通过了测试。
eg. Rude taxi drivers clocked up a total of 239 offences in 1990.
1990年，出租车司机鲁莽驾驶导致的违章事件总共达239起。
3. together with
连同…一起；还有；加之；
eg. These new facts, together with the other evidence, prove the prisoner's innocence.
这些新的事实连同其他证据已证明在押者无罪。
eg. They, together with my father, have gone to Washington.
他们和我父亲一起去华盛顿了。