泥质沉积物沉积后, 体积的70-80%是水.When deposited , 70 - 80 % of the volume of muddy sediments may be water.河床沉积物一般比邻近的泛滥平原沉积物粗些.Channels generally contain coarser sediment than do the adjacent flood plains.这些气体包括窜缸气体, 沉积物, 酸, 机油和其它杂...
...students who play intercollegiate athletics.参加大学校际体育竞赛的学生Robb is torn between becoming a doctor and a career in athletics.罗布在做医生还是当运动员之间痛苦抉择，左右为难。My school did nothing whatsoever in the way of athletics...我的学校在体育方面无所作...
他为裁军运动和反对核武器扩散而奔走。He campaigned for peace and against the spread of nuclear weapons.原油泄露后的浮油很快在水面上扩散开来。A crude oil slick quickly spreads out over water.有关于分子扩散速度的数据。There are data on the rates of diffusion of molecules....
He seemed to oscillate between very drunk and icy sober.他似乎是在酩酊大醉和完全清醒之间摆来摆去.The design of high - frequence oscillate circuit can improve the reliability ofcharacter ofoperation and easy maintenance.采用高频振荡原理设计振荡电路,提高了稳定性...