“first echelon”概念、定义、翻译-科学时代

单词	first echelon
释义	军事词汇手册 first echelon 先遣梯队；一级
随便看	Qi-Freeing Hardness-Dissipating Pill qi fullness qif # 苹果公司QuickTime图像文件 qi gan qi gate qi glomus qi goiter qigong qigong therapy qi heat damaging liquid qi heat scorching liquid qi hemorrhoids qi hiccough Qi House qi impediment qi-in-blood medicinal Qi-Infusion Construction-Nourishing Decoction Qi-Infusion Decoction Qi-Infusion Variant Decoction Qi Issue Point qi loss qi lump qi mounting Qi-Moving Cyperus and Perilla Powder qi-moving medicinal

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。