四级The aircraft cost 25 million pounds and can carry heavier loads than huge jet planes while also producing less noise and emitting less pollution.

这架飞机耗资2500万英镑，可以承载比大型喷气式飞机更重的载荷，同时产生更少的噪音和排放更少的污染。

六级Unfortunately for them and often the taxpayers, our energy systems are a bit like an aircraft carrier : they are unbelievably expensive, they are built to last for a very long time, they have a huge amount of inertia meaning it takes a lot of energy to se

不幸的是，对他们和纳税人来说，我们的能源系统有点像航空母舰：它们的价格高得让人难以置信，它们的建造寿命很长，它们有巨大的惯性，这意味着需要大量的能源才能使用

四级king willem-Alexander of the Netherlands said that he recently ended his role as a regular "guest pilot" after 21 years with the national airlines fleet of now-outdated aircraft.

荷兰国王威廉·亚历山大（willem Alexander）表示，在国家航空公司（national airlines）机队服役21年后，他最近结束了作为一名定期“客座飞行员”的角色，该机队现在已经过时。

考研Both Boeing and airbus have trumpeted the efficiency of their newest aircraft the 787 and A 350 respectively.

波音和空客都大肆宣扬其最新飞机787和A350的效率。

考研There are reports that some military aircraft flew in formation when they were low on fuel during the Second World War, but Dr. lissaman says they are unsubstantiated.

有报道称，在第二次世界大战期间，一些军用飞机在燃油不足时编队飞行，但利萨曼博士说，这些飞机没有证据。

四级Elon Musk's SpaceX aims to send an unmanned aircraft to Mars by 2018.

埃隆·马斯克的SpaceX计划在2018年前向火星发射一架无人驾驶飞机。

六级Unfortunately for them ( ' , and often the taxpayers), our energy systems are a bit like an aircraft carrier: they are unbelievably expensive, they are built to last for a very long time, they have a huge amount of inertia ( ' , meaning it takes a lot of energy to set them moving), and they have a lot of momentum once they are set in motion.

不幸的是，对他们（通常是纳税人）来说，我们的能源系统有点像一艘航空母舰：它们的价格高得令人难以置信，它们的建造寿命很长，它们有巨大的惯性（这意味着需要大量的能量才能使它们移动），一旦它们启动，它们就有很大的动力。

四级As far as sunken planes go, this airbus A0 is the largest intentionally sunk aircraft ever.

就沉没飞机而言，这架空中客车A0是有史以来最大的故意沉没飞机。

六级Maybe so, but someone managed to get that hand gun onto the aircraft or it couldn't have been there.

也许是这样，但有人设法把那把手枪带上了飞机，否则它就不可能在那里。

四级The makers believe it's the future of aircraft and one day we'll be using them to go places.

制造商们相信这是飞机的未来，总有一天我们会用它们去其他地方。

考研They found that the aircraft consumed as much as 15% less fuel.

他们发现飞机耗油量减少了15%。

四级The aircraft is massive as long as a football field and as tall as 6 double decker buses and capable of flying for up to 5 days.

这架飞机体积巨大，有一个足球场那么长，有6辆双层巴士那么高，可以飞行5天。

六级Energy.systems, like an aircraft carrier set in motion, have huge momentum.

能源系统就像一艘正在运行的航空母舰，有着巨大的动力。

考研But a group of researchers at Stanford University, led by Ilan Kroo, has suggested that airlines could take a more naturalistic approach to cutting jet-fuel use and it would not require them to buy new aircraft.

但是，由Ilan Kroo领导的斯坦福大学的一组研究人员建议，航空公司可以采取更自然的方法来减少航空燃料的使用，而不需要他们购买新飞机。

考研Dr Kroo points out that the aircraft could be separated by several nautical miles, and would not be in the intimate groupings favoured by display teams like the Red Arrows.

克罗博士指出，这架飞机可以相隔数海里，而且不会像红箭队这样被展示团队青睐的亲密群体。

考研When applied to aircraft, the principles are not substantially different.

当应用于飞机时，这些原则没有实质性的不同。

四级The lower oxygen pressure found in an aircraft cabin is equivalent to that at 6, 000-8, 000 feet of altitude.

飞机座舱内较低的氧气压力相当于6000-8000英尺高度的氧气压力。

考研It might also be hard for airlines to coordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from formation flight.

航空公司可能也很难协调客机的起飞时间和目的地，使其能够从编队飞行中获益。

六级It could also insist on checking private manned spacecraft as thoroughly as it does commercial aircraft.

它还可以坚持像检查商用飞机一样彻底检查私人载人航天器。

四级The world's largest aircraft has taken to the skies for the first time.

世界上最大的飞机首次升空。

考研Cargo aircraft, in contrast,might be easier to reschedule,as might routine military flight.

相比之下，货机可能更容易改期，常规军事飞行也可能如此。