[by:可可英语～m.moreplr.com]
[00:00.55]The Pearl Estuary has become one of the busiest shipping channels in China, 
珠江口已成为中国最繁忙的海运通道之一，
[00:05.38]and the dolphins are constantly bombarded with sound. 
海豚也经常受到噪音的狂轰滥炸。
[00:15.09]New research suggests that they may now pack more information into shorter calls in a bid to be heard. 
新的研究指出，他们的叫声中可能包含了更多的信息并变得更短促。
[00:24.15]Local conservationists have now set up a protected zone near Lantau Island. 
当地的环保主义者如今在珠江口附近建立起一个保护区，
[00:30.18]So, for now, China's white dolphins are holding on.
中华白海豚从此得以生存。