1. Genes are spiraled, threadlike particles made of DNA (deoxyribonucleic acid). 基因是由DNA(脱氧核糖核酸)组成的丝状螺旋微粒。
2. The vegetative part of a fungus, consisting of a mass of branching, threadlike hyphae. 芬芳的、线状的莳萝植物的树叶,用作调味品。
3. The long, threadlike DNA molecules that carry our genes are packed into chromosomes, the telomeres being the caps on their ends. 承载着各种基因的DNA分子就象一根长长的细线,并依一定规则扭曲成染色体,而端粒就象一顶帽子那样覆盖在染色体末端。