污水中的营养物确实会加快港口的海藻生长。Sewage nutrients do increase algal growth in the harbour.上游的城市将污水排放到河里。Cities upstream use the river to get rid of sewage.黏稠的棕黑色污水在尸体周围流动着，非常恶心。The water moved darkly around the body, unpleasantly thi...
小河越来越窄,最后变成了涓涓细流.The stream had thinned down to a mere trickle.这条小河变成细流了.The stream has thinned down to a mere trickle.涓涓细流汇成了小溪.The trickle became a stream....
Warm weather has attracted the flat fish close to shore.煦暖的气候将比目鱼引到了近海。Two years later he is flat broke and on the dole.两年后，他一贫如洗，靠失业救济金生活。She had small feet and hands and a flat, round face.她的手脚都很小，脸又扁又圆。...