夏说英语新闻晨读 第92期:太阳能飞机环球之旅

 本期内容：

Solar Impulse, a solar-powered plane, completed the longest, transpacific leg of its round-the-world journey. The 72-metre-wide craft, powered by 17,000 photovoltaic cells on its wings and fuselage, has broken several solo- and long-flight records. It began its trek¹ in Abu Dhabi in March 2015 but had been grounded in Hawaii for eight months of repairs after its batteries overheated.

词汇讲解：
Transpacific: 跨太平洋的
Leg：航程
Photovoltaic cells：光电池
Fuselage：机身
Trek：征途
Grounded：停飞
Overheat：过热

1 trek   

vi.作长途艰辛的旅行；n.长途艰苦的旅行

参考例句：

• We often go pony-trek in the summer.夏季我们经常骑马旅行。
• It took us the whole day to trek across the rocky terrain.我们花了一整天的时间艰难地穿过那片遍布岩石的地带。