开路kāilù 1.开辟道路{open up a road; blaze a trail}: 逢山～,遇水架桥。{cut paths through the mountains to be encountered and build bridges on the rivers to be crossed} 2.在前引路{lead the way; blaze a trail}: ～先锋。{trailblazer; pioneer} 3.电路中的开关呈开启状态或去掉一个负载,使电流不能构成回路的电路。{open circuit; interruption of electric current by switching off the circuit or unloading one of the loads from it;}也叫also断路{duànlù}。