cur·va·ture
noun/ˈkɜːvətʃə(r)/
/ˈkɜːrvətʃər/
[uncountable, countable] (specialist)- the state of being curved; the amount that something is curved
曲率；弯曲；曲度 - the curvature of the earth
地球的曲度 - curvature of the spine
脊柱弯曲 - The screen is made of stretched vinyl and has a slight curvature.
屏幕由拉伸乙烯基制成，具有轻微的弧度。
Word Originlate Middle English: via Old French from Latin curvatura, from curvare ‘to bend’, from curvus ‘bent’. - the curvature of the earth