double helix

double helix读音音标

英 [ˈdʌbl ˈhi:liks]

美 [ˈdʌbəl ˈhilɪks]

double helix意思解释

释义

二重螺旋线，双螺旋线；

英英释义

n.

a pair of parallel helices intertwined about a common axis

双语例句

That is what a double helix looks like.这就是二重螺旋线的形状。Each step of the double helix is a base made up of two kinds of nucleic acid.每阶二重螺旋线都是一个碱基，由两种核酸组成。It provided strong evidence of the structure of D-N-A as a double helix.它为脱氧核糖核酸结构呈双螺旋线提供了有力证据。Many of the databases along the double helix were shut down, closed, so that you began to function with very little data.许多数据库是顺着双螺旋线停止运行，关闭，让你们开始运行很少的数据。