Normal, double - helix DNA is spiral, like a loosely coiled spring.正常的双螺旋DNA是螺旋形的, 像一根松松地卷曲的弹簧.The spirally coiled central filament of a chromatid along which the chromomeres are aligned.染色线,染色''.'丝'....
盟员们又打起精神来.The Leaguers roused themselves again.对付英国来说真正的垂危在于,完全欧盟员之外的采用都是不确凿际的妄图.The danger for the British is that alternatives to full EU membership are themselves illusory.虚拟企业联盟体是由盟主企业和盟员企业组成的.Their histomorphology i...