插头坏了，带电的电线露在外面。The plug broke, exposing live wires.检查一下别让插头松脱了。Check that the plug has not come loose .我必须更换吹风机的插头。I'll have to change the plug on my hairdryer....
Some larvae extend the galleries to form niches.许多幼虫将坑道延伸扩大成壁龛.In his view differences in adaptation are insufficient to create niches commensurate in number and kind.按照他的观点,适应的差异不足以在数量上和种类上形成同量的小生境.Species occupying the...
小路因干旱变得又干又滑。The path was dry and slithery from the drought.实际上，因为干旱，很多粮食作物歉收。In fact many food crops failed because of the drought.在干旱时期配给农民的水量减少。Water allotments to farmers were cut back in the drought....