The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
City must have anticipated that Mancini would show the expertise that brought success to Internazionale, but impact was restricted when only the subdued January transfer window was open to him.
曼城想必是希望曼奇尼展露出为国际米兰带来成功的不凡身手，但一月转会窗的沉寂让他的影响遭到限制。
3
As the flow of liquid through the liquid transferimpact energy.