In China, conservation efforts have already failed to protect the Yangtze River dolphin, the first large aquatic mammal to go extinct since the Caribbean monk seal in the 1950s.
在中国，保护白鳍豚免于灭绝的努力已经失败。白鳍豚是继上世纪50年代加勒比僧海豹之后，首个灭绝的大型水生哺乳动物。
The projects focus on problems along the Yangtze River such as water conservation.
这个项目集中在长江沿岸的问题，如节约用水。
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