The XCOR team then developed a more powerful engine with an advanced pump-fed fuel system for a larger aircraft now being flight-tested for a commercial customer.
There are four ponds fed by a solar-powered electric water pump, and the builders erected 1000 artificial nests for the new residents.
岛上有四个池塘，由一架太阳能水泵负责取水，此外建筑人员还为新居民提供了1000个人工鸟巢。
3
Just as previous interest-rate cuts by the Fed helped to pump up both the dotcom bubble and America's housing bubble, further easing over the next year could inflate emerging markets even more.