柴油发动机可以使用植物油作为燃料,这将极大地促进使用该技术的国家的农业发展。
古语,意指人的生死和富贵由天命决定。
"We are all detectives in our own lives, trying to piece together the fragments of our past to understand who we are."
The body says what words cannot.
The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos, to know itself.