Britain is embarking on one of the largest overhauls of its electricity grid in generations – a megaproject in which five times more infrastructure will be built by 2030 than was constructed during the previous three decades.(英国正启动几代人以来规模最大的电网改造之一——这项超级工程到2030年新建的基础设施，将是过去三十年所建总量的五倍。)
英国正启动几代人以来规模最大的电网改造之一——这项超级工程到2030年新建的基础设施，将是过去三十年所建总量的五倍。
Tens of billions of pounds are being spent on new pylon(输电塔，高压电塔)s, subsea(海底的) cables and converter station(换流站)s to connect a growing fleet of(不断增多的（一批）) wind and solar farms and carry clean power to where it is needed.
数百亿英镑正被投入到新建输电塔、海底电缆和换流站上，以连接不断增多的风电场和太阳能电场，并把清洁电力输送到需要的地方。
It comes after successive global shocks – Russia’s invasion of Ukraine, then the Iran war – have exposed the vulnerability of the UK’s energy system to international market volatility and galvanised plans to bolster domestic low-carbon generation.(此前接连发生的全球冲击——俄罗斯入侵乌克兰，随后是伊朗战争——暴露了英国能源系统对国际市场波动的脆弱性，也促使英国加紧推进强化本土低碳发电的计划。)
此前接连发生的全球冲击——俄罗斯入侵乌克兰，随后是伊朗战争——暴露了英国能源系统对国际市场波动的脆弱性，也促使英国加紧推进强化本土低碳发电的计划。