“（船的）龙骨”概念、定义、翻译-科学时代

单词	（船的）龙骨
释义	请查阅脊--脊棱--龙骨--（船的）龙骨
随便看	primary distribution primary domain controller (PDC) primary domain name server primary dose monitoring system primary drinking primary drying roller primary earnings per share primary earnings per share primary earthquake primary education primary education primary education Primary Education Act primary education district primary effect primary egg envelope primary election primary election primary election primary electrical power source primary electron primary element primary embryo cell primary emission primary emission neutron activation detector

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。