tectonic
adjective uk/tekˈtɒn.ɪk/ us/tekˈtɑː.nɪk/
geology specialized地壳构造的
relating to the structure of the surface of the earth and the way it is formed, changed, and moved by forces inside it
the motion of the earth's tectonic plates (= sections of the planet's surface) 地球构造板块的运动
非常重要的;具有重大影响的
A tectonic change is a very important one that will have major effects.
He led the company through a period of tectonic shifts in the movie industry. 他领导公司度过了一段电影业发生了翻天覆地变化的时期。
The process of writing is in the midst of a tectonic change caused by changes in the technology writers use. 写作过程正在经历一场巨大变革，这是由作者们所使用的科技引发的。