释义 |
double-helix 英'dʌblh'iːlɪks美'dʌblh'iːlɪks COCA¹⁵³³⁰⁵BNC¹⁴⁴⁶⁶⁴⁺³ 基本英英例句 双螺旋¹⁰⁰
名词 double helix: a pair of parallel helices intertwined about a common axis 形容词100% Double helical structure of DNA and types of DNA helices.去氧核糖核酸的双螺旋结构与其类别。 The two strands of the double helix are linked by pairs of nucleic acids like the treads in a spiral staircase.这个双螺旋结构的两股之间是由成对的核酸联结的,它们就像螺旋式楼梯中的踏步板。 |