You may be physically and mentally exhausted after a long flight.

长途飞行后你可能身心都很疲惫。

《柯林斯英汉双解大词典》

The first pea fell onto the ground after a long flight and was eaten by a hen.

第一颗豌豆在长时间飞行后掉到了地上，被一只母鸡吃掉了。

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A starlet is seated next to a lawyer on a long flight.

有个成天梦想成星的小姑娘，长途飞行期间，身边坐着一个律师。

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And NASA is also being called on to develop new technologies to solve problems involved in long-term space flight for humans and robots.

VOA: special.2010.04.28

Also on board is a new exercise machine, which is part of ongoing studies into the effects of long-term space flight on muscle and bone loss in astronauts.

VOA: standard.2010.04.05

And if the crew assigned to man the deep-space mission travels up separately to the station, it would also mean all the elements for their long-duration flight could be launched without the complications of ultra-safe abort systems that complicate manned rockets.

BBC: Manned flight around Moon considered

The birds' energy budgets operate on thin margins of food intake against exhaustive expenditure in long-distance flight.

CNN: We are all Gulf victims now

But the EU has argued that it only adds between four and 24 euros to the price of a long-haul flight.

BBC: EU suspends extension of plane emissions trading rules