恒河河豚也是岌岌可危。 现仅存数千头，生活在地球上污染最严重的水域。
The Ganges river dolphin is also in grave danger; only a few thousand remain, and they live in some of the most polluted rivers on Earth.
恒河河豚也是岌岌可危。 现仅存数千头，生活在地球上污染最严重的水域。
The Ganges river dolphin is also in grave danger; only a few thousand remain, and they live in some of the most polluted rivers on Earth.
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