The rotor has recesses in its three faces between the lobes.转子在其凸角之间的三个面上有凹槽.He emerged from the dark recesses of the garage.他从车库的暗处走出来。There was something in the darker recesses of his unconscious that was troubling him...
Exogamy The fusion of gametes produced by organisms that are not closely related.(异系配合):亲缘关系较远的生物体产生的配子相互融合.Exogamy remains much less prevalent among African Americans.异族婚姻在非洲裔美国人中仍然很少见。Last, it analyzes the relationship...
...the original primordial explosion.最初的宇宙大爆炸Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest.2,000万年前，爱达荷州并不像现在这样干旱。相反，那时的爱达荷州温暖潮湿，有大片的...