We swam upstream against the current.我们逆流向上游游去。A water vole swam vigorously upstream.一只水鼠奋力向上游游去.Alexis suddenly could take no more: he felt too hot, he couldn't breathe, the room swam.亚历克西斯突然觉得受不了了,他感到闷热,喘不上气,仿佛整间屋...
Post aeration – Air scouring continues after the liquid backwash ends.邮局充气–空气擦亮在液态的冲洗末端之后继续.The Treasury had been blaming the pound's weakness on the backwash from the falling dollar.财政部一直将英镑的疲软归咎于美元贬值。The Treasury ...