A new plant will spring up wherever a seed falls on a suitable soil surface, but because they do not build big bodies, they cannot compete with other plants for space, water, or sunlight.

当种子落在合适的土壤表面时，一株新的植物就会在那里生长，但由于它们体型不大，它们无法与其他植物竞争空间、水分或阳光。

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There is no fresh air or sunlight to bolster their natural powers of resistance.

没有新鲜空气或温暖阳光加强它们自然的抵抗力。

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The very best options were wind, solar, geothermal, tidal and hydroelectric power—all of which are driven by wind, water or sunlight (referred to as WWS).

最佳选择是风能、太阳能、地热能、潮汐能和水力发电——这些能源都来自于风力、水力和阳光（被称为WWS——wind，water，sunlight）。

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Some canopies have narrow strips of metal or wood to provide either sunlight or shade, depending on the position of the sun.

VOA: special.2011.08.09

You never eat or drink anything.You don't go out in the sunlight.

VOA: standard.other

The UCLA Engineering team created a new type of energy-harvesting polarizer for LCDs called a polarizing organic photovoltaic, which can potentially boost the function of an LCD by working simultaneously as a polarizer, a photovoltaic device and an ambient light or sunlight photovoltaic panel.

ENGADGET: Photovoltaic polarizers could make self-charging smartphone dreams come true

For Riis, the slum's biggest problem wasn't population density, lack of sunlight or even disease.

FORBES: Magazine Article

Several of the inflatables could be joined into arrays to trap sunlight or reflect solar power to earth.

BBC: Sticking solar power station where the Sun shines