..his chicks not only double in size... 雏鸟不仅个头长大了一倍

85. ..so he must show them how to be a lily-trotter.
    因此雄性水雉要教雏鸟如何在睡莲上行走
86. The floodwaters make the perfect training ground.
    高涨的水位使这里成为了绝佳的训练场
87. And in two weeks...
    两周后
88. ..his chicks not only double in size...
    雏鸟不仅个头长大了一倍
89. ..they grow in confidence.
    信心也增加了一倍
90. But this is a dangerous place to stray.
    但这里其实危机四伏
91. He sounds the alarm,
    雄性水雉发出警报

来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 88 行