用鳄鱼嘴夹把电缆接到蓄电池上。Use the crocodile clips to attach the cables to the battery.莱顿瓶的用途是能蓄电.The use of the Leyden jar was that it enables electricity to be stored.电池带动的点磁铁, 配有蓄电电池.Battery operated electric magnets. Self contai...
We walked to the furthermost point and then sat on the sand dunes.我们走到了最远处，然后坐在了沙丘上。She believed she would die in the snake-infested sand dunes. She said: 'It was hell on earth'.她觉得自己会死在遍地毒蛇的沙丘中。她说：“这简直是人间地狱。”A...