But sadly he may only ever dance alone. 然而遗憾的是 这只雄鸟也许永远只能独舞

79. Still no sign of rain or females.
    依然没有雨水或是雌鸟的影子
80. Undeterred, he continues his preparations.
    但它没有气馁 而是继续准备
81. Time to rehearse his courtship display.
    是时候排练求爱表演了
82. But sadly he may only ever dance alone.
    然而遗憾的是 这只雄鸟也许永远只能独舞
83. For the last three years, the rains have failed.
    在过去的三年里 这里没有下过一场雨
84. Without them, the females won't mate.
    而没有雨 雌鸟便不会寻找配偶
85. They need the rains to provide food for their family.
    成立一个家庭需要雨水来提供食物

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 82 行