http://www.bbc.co.uk/news/science-environment-33383521
Vocabulary
1.epic =Heroic and impressive in quality
2.manned = having a human crew
3.aloft = high up; far above the ground.
4.steakhouses = a restaurant that has steaks as its speciality
5.quest = The act or an instance of seeking or pursuing something; a search.
6.circumnavigate = To proceed completely around
7.wingspan = the distance between the wing tips of an aircraft, bird, etc
8.constraints =limitation or restriction.
9.sortie =an operational flight made by one aircraft
10.abort=To stop
11.photovoltaic = Capable of producing a voltage when exposed to radiant energy, especially light.
Expression
1. as far as
2. looked forward to having(verb- ing)
3. Single - seater flight
