我萬分激動！異想天開，我做了一個試驗，我開始做試驗了，我將兩條電線綁在其中一條竹子上，this afternoon， battery，我把電池摁在電線上， and i tied two wires to one of them. then i pressed the battery on the wire. after an afternoon s experiment.里面有兩條電線。