听力原文

Dawn over the karst hills of Guilin. These remarkable hills owe their peculiar shapes to the mildly acid waters of the Li River, whose meandering course over eons of time has corroded away their bases until only the rocky cores remain.
拂晓降临至桂林的喀斯特山地。这些山地的嶙峋奇秀归功于漓江那弱酸性的水质，亿万年的侵蚀褪去了他们的本来面目只剩下坚硬的河道残留下来。
The Li is one of the cleanest rivers in China, a favourite spot for fishermen with their trained cormorants.
漓江是中国最清澈的河流之一，是捕鱼者和他们训练有素的鸬鹚最爱的捕获点。
The men, all called Huang, come from the same village. Now in their 70s and 80s, they've been fishermen all their lives.
这帮七八十岁的男人全部姓黄，他们来自同一个村落。他们毕生都以捕鱼为生。
Before they release the birds, they tie a noose loosely around the neck to stop them swallowing any fish they may catch.
在释放鱼鸟之前，他们在鸟的脖子上松松的系一条套索，以防止鸟儿私自将捕到的鱼吞进肚子里。

重点讲解

重点讲解：
1. owe to
应把…归因（于）；应把…归功（于）；
eg. He owes his success more to luck than to ability.
他认为他的成功是靠运气而不是因为自己有能力。
eg. I owe the restoration of my hearing to this remarkable new technique.
我之所以能恢复听觉完全是因为采用了这项非凡的新技术。
2. one of+比较级
（同类事物或人中）（最…之）一；
eg. The car industry is one of our biggest employers.
汽车工业是我们最大的雇主之一。
eg. I think I've got one of the most stressful jobs there is.
我想我得到的这份工作是其中最繁重的工作之一。
3. stop sb. doing sth.
防止某人做某事；
eg. Failure in one examination should not stop you trying again.
一次考试不及格不应妨碍你再试一次。
eg. You'd better stop him nosing about.
你应该制止他到处打探的作法。