Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/82179e2e5d94e5525a12d79f257c16d1.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 double-helix英英字典_double-helix剑桥英语解释_double-helix柯林斯英文解释_歐米惠必应词典
1. N the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis DNA結搆中的雙螺鏇[biochem]