AutoFill automatic container irrigation delivers the convenience of automatic irrigation , but with the advantages of sub - irrigation.自动填充容器灌溉系统具有地下灌溉的优点....
He knew his place in the pecking order.他知道自己排老几。It was winter and the sparrows were pecking at whatever they could find.时值冬季，麻雀啄食着能够找到的任何东西。Misty mountains, burbling brooks, pecking chickens and scampering dogs.山色空朦,溪水潺潺...
B: You are very upset with the news . The pet is irreplaceable.B非常伤心, 因为那宠物是不可替代的.The effects of hygromycin B on transgenic and conventional rice seedling were studied by foliar spraying.研究了转基因及常规水稻幼苗叶面喷施潮霉素B溶液后的反应.Assig...
进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.Evolution can explain why human embryos look like gilled fishes.还有各种烙铁 、 鞭子和不同的挖取内脏的工具.There were hot brands , whips, and special implements for disemboweling.通过血 、 尿及内脏的细菌学检查可诊断.Through the ...