Technological innovations have unleashed the power of renewables such as wind, hydro, solar, and geothermal ( ' , 地热).
出自-2017年6月阅读原文
California has spent years preparing for "The Big One"—the inevitable earthquake that will undoubtedly unleash all kinds of havoc along the famous San Andreas fault (断层).
2019年12月六级真题（第一套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
VERB
释放；放纵…而出
If you say that someone or something unleashes a powerful force, feeling, activity, or group, you mean that they suddenly start it or send it somewhere.