这是一架有八个座位的双螺旋桨飞机。
我船是单螺旋桨还是双螺旋桨船？
每个信使都是DNA双螺旋中一个单链的复制品。
Each messenger is an edited copy of one strand of the DNA double helix.
我船是双螺旋桨。
尤其是对它结构(双螺旋线以外的结构)的研究。
Particularly when it comes to its structure — the stuff beyond the double helix.
双螺旋结构的基本要素由四个极点与四段生命链构成。
And its basic segments are four acmes and four chains of life.
双螺旋结构的基本要素由四个极点与四段生命链构成。
And its basic segments are four acmes and four chains of life.
应用推荐