Part Four:Writing and Translation >Translation Return 2)There are occasional hints that he has grasped even more advanced concepts but Dr.Pepperberg is cautious. 偶尔有一些迹象表明它已掌握了更高级的概念，但佩珀伯 格博士对此很谨慎。 3)A year later,the father received a letter that one of his lost ships had been found and had arrived filled with merchandise for him. 一年后，父亲收到了一封信，信上说找到了他失踪的一条船， 船上满载货物，已经到港。 4)The scientists have been looking for evidence that Alex understands more complicated ideas. 科学家们一直在寻找证据来证明亚历克斯懂得更复杂的概念。2) There are occasional hints that he has grasped even more advanced concepts but Dr. Pepperberg is cautious. 偶尔有一些迹象表明它已掌握了更高级的概念，但佩珀伯 格博士对此很谨慎。 3) A year later, the father received a letter that one of his lost ships had been found and had arrived filled with merchandise for him. 一年后，父亲收到了一封信，信上说找到了他失踪的一条船， 船上满载货物，已经到港。 4) The scientists have been looking for evidence that Alex understands more complicated ideas. 科学家们一直在寻找证据来证明亚历克斯懂得更复杂的概念。 Part Four: Writing and Translation >> Translation