例句：
The book is the fruit of years of research.
这本书是多年研究的成果。
Everybody is aware of the hazards of smoking.
大家都明白吸烟的危害。
Around 15% of our diet is composed of protein.
我们的`饮食中大约有15%的蛋白质。
One of the penalties of fame is loss of privacy.
成名的弊端之一是失掉了隐私。
Sunlight consists of different wavelengths of radiation.
阳光由波长不同的射线组成。