He's the most important songwriter of the last 50 years, in a culture in which songwriting has always been a major force, a major component.
他是过去五十年里最重要的曲作者，而在美国文化中，作曲一直是主要的推动力和组成部分。
2
Nor do the figures include migrant workers, a major componentof China's labor force.
这个统计数据也没有将民工计算在内，而民工是中国劳动力的一个重大组成部分。
3
Because of the resistive forces, because of the drag by the liquid, the object is going to get a velocity in this direction, so there's going to be acomponentof the resistive force opposing it.