The electromagnetic field strength becomes weaker as you move further away from high voltage cables.当你远离高压线时，电磁场强度就会变弱。A line of pylons stretched across the countryside.一排高压线铁塔穿过乡野。He was electrocuted when severe gales blew down an overhead high-voltage cable.狂风吹倒了架空高压线，把他电死了。