基本解释硫代核苷同根派生 thionucleoside相关词英汉例句Keywords Ribose;thioribose;deoxy-thioribose;thionucleoside;synthesis; 核糖;硫代核糖;脫氧硫代核糖;硫代核苷;郃成;thionucleoside更多例句