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Solar-Powered Plane Getting Ready to Circumnavigate Globe
Pilots of the solar plane that already set records flying without a drop of fuel are close to making their first attempt to fly the craft around the globe. They plan to do it in 25 flying days over a five-month period.
Solar Impulse 2, or SI-2 for short, arrived in Abu Dhabi in pieces. Built mainly of lightweight glass-reinforced plastic, it is now being re-assembled and prepared for its journey around the globe.
The concept was previously tested by its predecessor, Solar Impulse 1, in 2012 during a long flight from Europe to North Africa and in 2013, flying across the United States.
SI-2’s 72-meter-long wings are covered with more than 17,000 solar cells that can generate up to 52 kilowatts of power. The cells also charge batteries which run the plane's four electric motors at night.
The single-seat plane, which will take off from Abu Dhabi, will follow a course roughly along the equator, where the sun is strongest, touching down only every few days. Two pilots will take turns in the cockpit during those stops.
Project co-founder Bertrand Piccard, who is one of the pilots, says the flight will require a lot of endurance.
“It's very exciting for everybody, and we are also in the psychological preparation of the pilot and the team, because technology is o.k., but you need to cope now with very long duration flights: single pilot on board for five days and five nights. Lot of stress for everybody," said Piccard.
Co-founder and alternate pilot Andre Borschberg says although SI2 can fly on autopilot, they plan to rest or sleep only 20 minutes at a time.
“How many of these breaks we will be able to take per night, it's hard to say. We've trained in a simulator to have six to eight of them every 24 hours, which means about two hours of sleep every 24 hours, which is not a lot," said Borschberg.
Bertrand Piccard says the project's goal is to demonstrate the advantages of renewable energy sources and clean technologies.
“If an airplane can fly with no fuel around the world, can you imagine how this technology could be used everywhere?," he asked.
SI-2 is scheduled to take off in March and return to Abu Dhabi some time in July.
詞匯解析
promote
難度：4星核心詞匯，屬常用3000詞
英漢解釋
vt.促進；提升；升遷；發(fā)起；促銷，推銷
參考例句
用作及物動詞 (vt.)
He failed to get promoted for lack of resolution.
他因缺乏果斷力而未能得到升遷。
They now need to put some real elbow grease into promoting the products.
他們現(xiàn)在推銷產(chǎn)品確實需要化大力氣。
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repeatedly
難度：2星擴展詞匯，屬常用10000詞
英漢解釋
adv.重復(fù)地；再三地
參考例句
用作副詞 (adv.)
He drew a long breath and repeatedly chanted the name of Rama, every word showering nectar into the hearts of the devotees.
他深深地吸了一口氣，重復(fù)地唱頌著羅摩的名字，每一個字都像甘露般地灑落在奉獻者的心里。
B. However, in order to restore peace and social order, individual states or the international community has repeatedly used force in history.
然而，歷史上為了恢復(fù)和平和社會秩序，個別的國家或國際社會再三地使用武力。
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episode
難度：3星常用詞匯，屬常用6000詞
英漢解釋
n.一段情節(jié)；片段；軼事；插曲
參考例句
用作名詞 (n.)
One of the funniest episodes in the book occurs in chapter 6.
書中最有趣的情節(jié)是在第6章。
The episode of this film sounds good.
這部電影的插曲很好聽。
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recall
難度：4星核心詞匯，屬常用3000詞
英漢解釋
n.回憶；取消；召回
vt.召回；恢復(fù)；回想起；喚起；與 ... 相似
參考例句
用作名詞 (n.)
Do you have any recall of that meeting?
你還記得那次會見嗎?
用作及物動詞 (vt.)
With the impulse of "mercantile system", the Occident adjust their policy one after the other, recall Jew in succession.
在“重商主義”政策的積極推動下,西歐各國相繼調(diào)整對猶政策,紛紛召回猶太人。
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reluctant
難度：3星常用詞匯，屬常用6000詞
英漢解釋
adj.不情愿的；勉強的
參考例句
用作形容詞 (adj.)
They were very reluctant to help.
他們不大愿意幫忙。
By 1982 they had become reluctant to extend new loans to public borrowers.
到1982年，他們已不愿向公共借貸者發(fā)放新的貸款。
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attempt
難度：4星核心詞匯，屬常用3000詞
英漢解釋
v.企圖；嘗試
n.企圖；試圖
參考例句
用作動詞 (v.)
He attempted to smother up the scandal about his family.
他企圖掩飾有關(guān)他家庭的丑聞。
用作名詞 (n.)
He studied hard in an attempt to pass the exam.
他努力學(xué)習(xí)試圖通過考試。
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