The sun is the major source of energy for our planet.
太阳是我们星球能量的主要来源。
The sun is a wonderful source of energy.
太阳是一种很好的能量来源。
Our most important source of radiant energy is, of course, the sun.
当然，我们人类最重要的光能的来源就是太阳。
Nuclear fusion is the source of energy in stars such as the sun
核聚变是恒星提供能量的源泉，就像太阳一样
The ultimate source of energy of all ecosystems is the sun .
太阳是一切生态系统能量的基本来源。
The ultimate source of energy of all ecosystems is the sun.
太阳是一切生态系统能量的基本来源。
People have taken various measures to harness the sun as a source of energy.
人们已经采取了各种各样的措施利用太阳作为能源。
Nuclear fusion is the energy source that keeps the sun alive.
核聚变是使太阳保持活力的能源。
The Sun is our main source of light energy.
太阳是光能的主要来源，灯也可以散发光能。
The sun is the ultimate source of energy.
太阳是能量的最基本来源。
The energy from the sun may provide the answer to our need for a new, cheap and clean source of energy.
太阳能也许可以为我们提供答案，当我们需要一种新型，廉价，干净的能量来源时。
Fusion is the energy source of the sun and the stars.
核聚变是太阳和恒星的能量来源。
The sun is the source of energy for everything on planet earth, all life, all weather, and all activity that we know.
太阳是地球上万物的能量之 源，包括我们知道的所有生命、所有天气和所有的活动。
The sun is the source of energy for everything on planet earth, all life, all weather, and all activity that we know.
太阳是地球上万物的能量之 源，包括我们知道的所有生命、所有天气和所有的活动。
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