FEabbr.远东(=Far East)abbr.灭火器(=Fire Extinguisher)abbr.成人教育(=further education)Feimi费密

1. Half a century ago scientists found the first hints that the hormones of pregnancy spur a female mammal's ardor for its offspring.
   怀孕时的激素唤起了雌性哺乳动物照顾子女的热情，这种现象最早是半世纪前的科学家发现的。