| 单词 | 双股 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔double helix〕The coiled structure of double-stranded DNA in which strands linked by hydrogen bonds form a spiral configuration.双螺旋：双股DNA的螺旋结构，其中由氢键连接起来的股构成一个螺旋构造美国传统〔natural killer cell〕A killer cell that is activated by double-stranded RNA and fights off viral infections and tumors.自然杀手细胞：由双股核糖核酸激活的，击退传染性疾病和肿瘤的杀手细胞美国传统〔palindrome〕A segment of double-stranded DNA in which the nucleotide sequence of one strand reads in reverse order to that of the complementary strand.回文结构：含有双股脱氧核糖核酸的一部分，其中的核苷酸系列的一股颠倒顺序来读取即为互补的一股美国传统〔twine〕The package was wrapped in brown paper and tied with twine.包裹以牛皮纸包装，以双股线捆扎。韦氏高阶 |
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