能量-Energy-大学英语作文

能量-Energy

Energy
Energy makes the world go, It is indispensible to both animal life and human life. We get heat energy from the food we eat, light energy from the sun and electricity from water. In the hot summer when there ia a power outage we feel all the more the need for electric energy which powers the electric fan md air-conditioner.
There are different sources of energy. The rivers and streams are a good source for electrie energy. The san provides us with light, heat and electricity. There is also sound energy in the radio transformed from electric energy. The energy can be changed from one form to another. It can never be exhausted nor reproduced. It just goes on changing in cycles.
It is important for us to make use of energy. Solar energy is being made to generate electricity, to cook and to bathe. Atomic energy is used in industry and aviation and many other fields. We are now doing our best to inake energy serve our people in every way possible.
能
能量使世界运转。动物和植物的生命都离不开能量。我们从所吃的食物中获取热能，从太阳和水力发电中获取光能。在炎热的夏天，当断电时，我们更感需要能驱动电风扇和空调器的电能。
有不同的能源：江河溪流是电的良好能源；大阳可提供光能，热能和电能。在无线电传输中，电能可转换为声能。能量可以从一种形式转接到另一种形式，它不会耗尽也不会创生，而是不断地循环往复。
对我们来说，充分利用能量很重要。人们正在利用大阳能发电、做饭、洗浴。原子能被用于工业、航空和其他领域。我们正在尽一切可能让能源服务于人类。