At the macroscopic level, an ideal gas is defined by a process of extrapolation.从宏观角度看, 理想气体的定义是由推论而得来的.From the macroscopic properties of gravity you can work out what the graviton should be like.从引力的宏观属性,你可以推算出引力子的大致情况...
They joined a moving line of marchers.他们加入了行进者的行列.The marchers jumped off at the crack of dawn.行军队伍在破晓时出发了.The marchers timed their steps to the drumbeat.列队行进的人按着鼓点调整他们的步伐....