单词:utilize economically
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This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece
2007 1. Born in the crisis of the old regime and Iberian Colonialism, many of the leades of independence shared the ideals of representative govornment, careers open to talent, freedom of commerce and trade, the right to vate property, and a belief i
Brazilians Struggle Economically in Midst of Olympic Games RIO DE JANEIRO The images from the summer Olympics in Rio de Janeiro have been strikingly beautiful. But underlying all that beauty is great turmoil as Brazil is in the grip of a crippling po
China has released images of the destruction caused by the earthquake that hit its southwestern province of Yunnan on Sunday. Four drones were used to fly over quake-hit Longtoushan, taking hundreds of striking images. Images, capturing scenes of des
BRUSSELS, Jan. 5 (Xinhua) -- The year 2011 will be economically challenging(挑战的) and painful, European Commission President Jose Manuel Barroso warned here Wednesday. After two years of economic recession(衰退), Barroso expects a difficul
involve vt.使涉入 The evidence shows that Paul is involved in that murder. 证据显示保罗涉入那起谋杀案。 involvement n.牵涉(不可数) Employee involvement is a big step for the company. 员工投入是这家公司的一大进展。