背後都是一個螺旋

背後 beiˋ houˋ

(Back of, Behind, To the) Behind, To the rear of, Behind someone's/his/her/their back, Back of body

都是 douˉ shiˋ

(Are all, Are both, Both are, Both were, Each are, Each were, Is all, Is both) Each are, Each were, Both are, Both were, Is all, Is both, Are all, Are both

一個 yiˊ ge˙

(A, An, One) A, An, One

一個螺旋 yiˊ ge˙ luoˊ xuanˊ

(Spiral) A spiral

螺旋 luoˊ xuanˊ

(Helical, Screw, Screws, Spiral, Spirals) Spiral, Spiral shaped, Helical, Spirals, Screw, Screws