The plant is a major source of food energy and a major food security crop.
VOA: special.2010.06.08
Because muscle can use and frequently is using glucose as a source of energy.
因为肌肉细胞可以利用糖分,通常将糖作为能量来源
If properly managed, clearing and replanting trees in a 30-year cycle creates both a renewable source of energy and maximum rubber production.
VOA: standard.2009.09.13
It seems Pandora is the only place in the galaxy with deposits of a valuable new energy source worth untold millions back on Earth.
VOA: standard.2009.12.19
The shutdown is bad news for the recession-hit country partly because it will lose a source of cheap electricity and be forced to import more expensive energy.
VOA: standard.2010.01.01
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