br 在严密的封锁中，如何让外界了解到八路军根据地的真实信息？迈克尔·林赛的所作所为书写了一段无线电抗战的不朽传奇！Under strict enemy blockade, how could the outside world learn the truth about the Eighth Route Army’s strongholds? Through his daring radio work, Michael Lindsay forged an immortal legend of wireless resistance.