“语言发展里程碑”的概念、定义、翻译、参考文献-科学参考

单词	语言发展里程碑
释义	语言发展里程碑 Encyclopedia 文学语言获得与发展释 milestones in language development语言发展里程碑儿童语言发展不同阶段的重要标志。
随便看	cleanliness clean metallurgy of recycled metals clean method cleanness inspection of raw silk clean nuclear energy clean of laws clean operation room clean out waste raw silk clean politics culture clean rice clean room cleanroom clean room air purification system cleanroom auxiliary equipment cleanroom filtration system clean room fire cleanroom software engineering clean steel clean steel smelting clean superconductor clean surface clean text policy clean the fracturing fluid clean tile problem clean tillage

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。