by the morning the vast majority will be back in the safety of the cave. 到了早上 大多数蝙蝠 仍会安然无恙地回到洞中

104. Any bat separated from the group
     任何一只脱离群体的蝙蝠
105. becomes a clear and obvious target and is asking for trouble.
     立刻成为显眼的目标 很快便遭了殃
106. Yet the nightly onslaught has little impact on bat numbers -
     然而 每天傍晚的攻击只会 对蝙蝠数量产生很小的影响
107. by the morning the vast majority will be back in the safety of the cave.
     到了早上 大多数蝙蝠 仍会安然无恙地回到洞中
108. Bats are not the only commuters in these Bornean caves.
     蝙蝠并非婆罗洲洞窟中的唯一常客
109. There's a day shift as well.
     这里也有“做日班”的居民
110. Returning from hunting in the sunlight
     完成白天的狩猎工作后

来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 107 行