Notes:
a passenger plane 旅客機;
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How far can you fly on a passenger plane? The new flight from Perth, Australia, to London, England, is one of the longest passenger flights in the world. It is also the first regular flight from Australia to Europe. Australia has a close relationship with Britain, and Qantas, the Australian airline, started flying the Kangaroo Route to London in 1947. At that time, it took four days and nine stops. Now, the direct 14,498 kilometer flight takes just 17 hours. This is possible because Qantas has a new jet, the Boeing 787. It is lighter than older jets and uses 20% less fuel. (by Prof. Douglas Jarrell)
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