In the past few decades, several animal species have been labeled extinct, including the Chinese paddlefish, Yangtze River dolphin, Pyrenean ibex and western black rhinoceros.
在过去的几十年里，一些动物都被打上了物种灭绝的标签，包括中华鲟、白鳍豚、比利牛斯山羊和西方黑犀牛。
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 greatest threats to Marine mammals are being caught in fishing nets or being struck by shipping vessels, although for the Yangtze river dolphin, pollution is a major contributor.
虽然长江豚的灭绝主要是因为水源污染，但对海洋哺乳动物来说，面临的最大威胁是深陷鱼网或被渔船捕获。
Scientists estimate that the finless porpoise, a freshwater dolphin which has lived in the Yangtze River and adjacent lakes for over 20 millions years, will become extinct within 15 years.
一直在长江和相邻湖泊生活长达两千多万年的江豚和淡水海豚，科学家们估计它们在15年内将会灭绝。
DOES the Yangtze River still have baiji, the graceful, grey dolphin with tiny eyes and a long narrow beak?
那种长着小眼睛和尖长嘴、姿态优雅的灰色海豚——白暨豚，在长江里还有吗？
Baiji dolphin Also known as the Yangtze dolphin, and found in the river in China, the Baiji is the most endangered cetacean in the world. It may already be extinct.
贝吉海豚。也被称为长江豚，并发现在中国的河流，贝吉海豚是世界上最濒危的鲸类动物，它可能已经灭绝。
If we let it be, the so called "king of the forest" would not escape the same fate of extinction that the white-fin dolphin in Yangtze River had.
如果再这样下去，“山林之王”很可能与长江里的白鳍豚一样，都逃不过灭绝的命运。
Chinese scientists said they will continue to search for the rare white-flag dolphin although it is possibly extinct as a 38-day search failed to find any in the Yangtze River.
中国科学家称他们将继续搜索罕见珍贵的白鳍豚，尽管它们很可能已经灭绝，因为38天长江中的搜索没有任何发现。
Chinese scientists said they will continue to search for the rare white-flag dolphin although it is possibly extinct as a 38-day search failed to find any in the Yangtze River.
中国科学家称他们将继续搜索罕见珍贵的白鳍豚，尽管它们很可能已经灭绝，因为38天长江中的搜索没有任何发现。
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