Web surfing can be equally a wobbly wade through bursts of pop - ups and loudmouthed video ads.网页浏览同样让人讨厌,因为你必须面对不断弹出的新窗口和吵吵嚷嚷的视频广告.A profusion of leaves bursts out on trees in the springtime.春天许许多多的叶子从树上冒出来.Lowering its...
苗条的天鹅和纤细的臭鼬在滑滑的黏泥上游泳.Slim swans and slender skunks swim in the slippery slime.而循环冷却水系统生物黏泥的产生主要是因系统发生漏油事故所致.And the main reason to bring biological sludge into circulating water system is oil - leaking accident....