- It is only found in Pakistan and nowhere else.
只分布于巴基斯坦
- And we only have about 2,000 of them left in the Indus River.
印度河中只剩下约2000只了
- So, you know, each individual is special.
每一只印度河豚都弥足珍贵
- Following the dolphins in the murky water is extremely challenging.
在浑浊的水中跟随印度河豚十分困难
- They only surface for a split second
它们跃出水面的瞬间稍纵即逝
- and that makes protecting them difficult, too.
这也使得保护它们变得困难
- Their greatest threat is becoming trapped in the irrigation canals.
对它们最大的威胁是会被困在灌溉渠里
来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 237 行