即使是永远不能生殖的工蚁,亦具有这种倾向.Even worker ants that never reproduce possess this drive.不育是阻碍生殖的一种永久性因素.Sterility is some permanent factor preventing procreation.生殖的事要弄得像发配给证一样成为一年一度的手续形式.Procreation will be an annual formality li...
Each family farms individually and reaps the benefit of its labor.各家经营各自的农场，收获各自的劳动成果。The Labor Department figures underscore the shaky state of the economic recovery.劳工部的数据进一步印证了经济复苏状况的不稳定。The current division of labor ...