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 old man asked me to write a letter for him.那位老人要我替他写封信.There's no time for me to write a letter to him.我来不及写信给他了.We could write a letter to the headmaster.我们不妨给校长写封信....
钱德拉决心做一名医生，她的坚持不懈得到了回报。Chandra was determined to become a doctor and her persistence paid off.“ 快给我钱, ” 德拉说." Give it to me quick,'said Della.钱德拉当然不是太空望远镜的终极.Chandra is certainly not word in space telescopes....
伯罗奔尼撒战争以雅典同盟的毁灭而收尾 ( 亚历山大汉密尔顿 )The Peloponnesian war. terminated in the ruin of the Athenian commonwealth ( Alexander Hamilton )地区贸易同盟的数目在过去十年激增.Regional trade blocs have emerged in the past decade.与此同时,有关欧洲政治同盟的辩论仍在继续.A...