汗是一种排泄物.Sweat is an excretion.环境工程师们关心人类排泄物的处置.Environmental engineers are concerned with the disposal of human wastes.汗也是一种排泄物.Sweat is also an excretion....
A furious player kicked his racket into the grandstand.一位愤怒的球员将他的球拍踢向了看台。The game was played to a packed grandstand.比赛时大看台上座无虚席。Politicians will grandstand about remaking finance.政客们会为重整金融体系而轮番上台表演。...