The invention discloses a sediment desilting method of turbulent flow and flood hyperconcentration and application thereof.本发明公开了一种稀性泥石流和高含沙洪水的泥沙拦淤方法及其应用....
他年纪太大，经不起那么摔一跤。He's too old to come through a fall like that.他们吹口哨挑逗我，我窘迫之下绊了一跤。They wolf-whistled at me, and I was so embarrassed I tripped up.她这一跤跌得这么重，我想是救不过来了。She fell so heavily I thought she was a goner....