Here the Nile broadens out between the huge granite boulders.尼罗河在此处变宽，从两块花岗岩巨石间穿过。Explorers traced the Nile River to its several headstreams in Central Africa.探险者在中非找到了尼罗河的几处源头.Where is the source of the Nile?尼罗河发源于何处?...
“一日为侦探，终生为侦探，”他满不在意地说。"Once a detective, always a detective," he said lightly.好了，约翰，别太在意了。这又不是什么生死攸关的大事。Well, never mind, John, it's not a matter of life and death.和想象中的一样，这些司机对此并不太在意。The drivers, as you might imagi...