Duff soon mastered the skills of radio produc-tion.达夫很快掌握了广播节目制作的技能。His genius alone has mastered every crisis.仅凭天分，他就控制了所有的危机。I've completely mastered the use of all the words I've learned.学过的词汇我全部掌握了....
Peru: Cuzco and Apur í mac and Huallaga rivers & Colombian border.秘鲁: 库斯科,阿亚库乔地区,埃内河谷,阿普里马克省和瓦亚加河 和 哥伦比亚边境.The incas believed that cuzco was the navel of the universe.印加人认为库斯科是宇宙的中心....
Her company has had to split up and work from two locations.她的公司不得不被拆开，分在两处办公。Did the two of you split up in the woods?你们俩是在树林里分开的吗？Even though we split up she was blooming marvellous.虽然我们分手了，但她确实很了不起。...