The older females can remember where, 年长的母象能记住哪些地方

149. As drought intensifies,
     随着干旱加剧
150. desert-living elephants must also undertake long journeys
     沙漠象也必须踏上旅途
151. in search of water.
     寻找水源
152. The older females can remember where,
     年长的母象能记住哪些地方
153. even in times of extreme drought, there may still be water
     即使在极端干旱的季节也会有水
154. and sometimes lead the herd to a water hole
     有时她能把象群带领到
155. they may not have visited for decades.
     数十年前去过的水坑

来自《行星地球 第二季 第四集 Planet Earth S02E04 沙漠》第 152 行