山崩川竭.The mountain fell down and the river dried up.山崩切断了这个山谷与外界的联系.The slide cut off the valley from the rest of the world.山崩应归于下大雨.The heavy rain was responsible for the landslide....
我们唯一能够联络到的电工离这里有好几英里远。The only electrician we could get hold of was miles away.我们要请电工修理熨斗.We need an electrician to mend the iron.这些女电工真能干.These women electricians really know their job....
他被弗兰克·弗雷泽中尉顶替。He was replaced by Lt Frank Fraser.他走了谁来顶替他?Who's going to take his place after he leaves?我去找个人来顶替你.I'll find someone to fill in for you....