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教员Laura和她的年轻的学生在教室前草坪上闹着玩。学生(一面在地上打滚):你搔我。 Laura:搔哪儿? 学生(指着腿):这儿。 Laura(搔他以后):现在你搔我。学生(搔她):我搔Laura。 Laura和她照管的学生之间的这段对话,听来似乎很平常,只有一点特别,这个学生不是人类孩子,而是只名叫Nim的小黑猩猩。同Nim的其他几个灵长类亲缘一样,他曾被训练过用美国手语(一种为聋哑人设计的手势)与人类对话。他终于学会了表达和识别125个手势。但是,这只嬉跃的小
Instructor Laura and her young student are having fun on the lawn in the classroom. Student (rolling on the ground): You scratch me. Laura: Where is the scratch? Student (pointing the leg): here. Laura (scratch him later): Now you scratch me. Student (scratch her): I scratch Laura. This conversation between Laura and the student she’s in charge of seems to be quite normal, only a little special, and the student is not a human child, but a chimpanzee named Nim. Like several other primates in Nim, he has been trained to speak to humans in American Sign Language, a gesture designed for deaf mutes. He finally learned to express and recognize 125 gestures. However, this is only small and playful