BBC英语口语: 太阳能飞机Solar-Powered Plane
2012-04-06来源:和谐英语
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【口语突破】
wing-span
翼展
jumbo jet
大型喷气式飞机
drop
一滴
aviation fuel
航空燃油
solar cells
太阳能电池
brainchild
发明,设想
conventional air travel
传统的飞行方式
stratosphere
平流层
submarine
潜水艇