The youth fully displayed their courage and skill in the football field.小伙子们在绿茵场上大显身手.Policemen had to escort the referee from the football field.警察不得不护送这位裁判离开足球场.You'll find Billy on the football field.在足球场上能找到比利....
冲击波前方的熵密度是恒定的.The entropy density is constant ahead of the shock.熵的任何反向变化都是不合理的也是不可能的.The reversal of any entropychanging transformation would be neither reasonable nor possible.温熵图是一种热力学图,特别适合于描述大气过程.The tephigram is a ...