Sewage nutrients do increase algal growth in the harbour.污水中的营养物确实会加快港口的海藻生长。During an algal bloom the PH of the water can be as high as 10.藻类水华期间,水的pH值可高达10.And the ore contains hydromica ( illite ), quartz, organic mat...
He is as slippery as an eel and simply refuses to be pinned down on anything.他很圆滑,什么事情都不肯承担责任.She's as slippery as an eel.她像狐狸一样狡猾.'I'm Ben Gunn, I am,'replied the maroon, wriggling like an eel in his...
在肠内发育成熟的钩虫长2--3厘米.Fully - grown hookworms in the gut are 2 to 3 cm long.目的观察伊维菌素和阿苯达唑伍用驱治钩虫和鞭虫感染的疗效.Objective To observe the curative effects of ivermectin combined with albendazole against hookworm and whipworm.在过去的几个世纪...