听力原文

Terraced paddies like those of the Yuanyang County are found across much of southern China. This whole vast landscape is dominated by rice cultivation.
像元阳县这样广泛种植水稻的梯田横贯中国南部。
In hilly Guizhou Province, the Miao minority have developed a remarkable rice culture.
苗族人在多山的贵州发展了高度发达的水稻种植。
With every inch of fertile land given over to rice cultivation, the Miao build their wooden houses on the steepest and least productive hillsides.
苗族人把木屋建立在陡峭低产的山壁上，用其余每寸丰饶的土地来种植水稻。
In Chinese rural life, everything has a use. Dried in the sun, manure from the cow sheds will be used as cooking fuel.
所有东西在中国农村都自有其用处。牛棚里的肥料在太阳下晒干用作煮饭的燃料。
It's midday, and the Song family are tucking into a lunch of rice and vegetables.
中午时分，宋家人正饱餐以米和蔬菜为主的中饭。

重点讲解

重点讲解：
1. be given over to
专门用于；
eg. Much of the garden was given over to vegetables.
这个花园大部分用来种蔬菜。
eg. The village hall is given over to civic functions and meetings.
村子的礼堂专作举行庆典和会议之用。
eg. The period after supper was given over to games.
晚饭后是游戏时间。
2. tuck into
尽情地吃；大口地吃；
eg. She tucked into a breakfast of bacon and eggs.
她大口地吃着咸肉和鸡蛋作成的早餐。
eg. He tucked into the ham hungrily.
他狼吞虎咽地大吃火腿。
eg. The boy tuck into the salad put in front of him.
男孩大口地吃着放在他面前的沙拉。