“婚前怀孕”概念、定义、翻译-科学时代

单词	婚前怀孕
释义	人口学词汇手册婚前怀孕 premarital pregnancy
随便看	normal time normal to a curve normal to a surface normal tooth thickness normal tour normal tour normal training normal-type wagon normal unemployment rate normal university normal uranium normal value normal value normal value normal value normal variable normal vector normal vector normal velocity normal velocity distribution normal vertical line normal vibration normal vibration normal vibration normal viscosity

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。