and all across the northern hemisphere the broad leaves are hard at work. 所有北半球的阔叶树木努力生长

150. But they won't be safe until they reach water
     在赶到水中之前它们还很不安全
151. and the forest pool is almost a mile away.
     林中的池塘还有1英里远呢
152. By June the days are at their longest
     6月是白昼最长的时候
153. and all across the northern hemisphere the broad leaves are hard at work.
     所有北半球的阔叶树木努力生长
154. On the east coast of North America
     在北美洲的东部
155. it seems like any other summer's evening
     这里的夏日傍晚和其他地方一样
156. but tonight is special.
     不过今晚非常特别

来自《行星地球 第一季 第十集 Planet Earth S01E10 季节森林》第 153 行