unprecedented scale

US

UK

C2 高級
phr.片語前所未有的規模
The project was undertaken on an unprecedented scale, requiring resources from across the globe.
phr.片語空前的程度
The disaster had an impact on an unprecedented scale, affecting millions of lives.

影片字幕

太陽能如何變得如此便宜 (How solar energy got so cheap)

06:31太陽能如何變得如此便宜 (How solar energy got so cheap)