In silk, it would be better to describe the chains as being antiparallel.在蚕丝中, 更确切地讲,这些链是反向平行的....

adj.反平行的...

antiparallel的音标：antiparallel的英式发音音标为：['ænti:pærəlel]antiparallel的美式发音音标为：['æntipærəlel]...