Except for a few exceptions which I will discuss later, there are no definitively exterior surfaces.除了我将在下文讨论的一些例外, 并不存在明确无误的外在表面.DNA tests should determine definitively whether the baby was the one Tunstall was carrying...
从山顶上流下的水在山坡上冲蚀出一条沟渠.The running water from the mountain top eroded a gulley along the slope.可冲蚀土壤部分经常从凸出物剥蚀并降落于洼地.Erodible soil fractions are usually dislodged from projections and trapped in depression.河床部分地就是被这种侵蚀作用冲蚀的...