现在谁能告诉我们哪个是哪个吗？

仙仙

Teacher: Here are two birds, one is a swallow, and the other is sparrow. Now who can tell us which is which?
Student: I cannot point out but I know the answer.
Teacher: Please tell us.
Student: The swallow is beside the sparrow and the sparrow is beside the swallow.

老师：这儿有两只鸟，一只是燕子，另一只是麻雀。现在谁能告诉我们哪个是哪个吗？学生：我指不出，但我知道答案。老师：请告诉我们。学生：燕子旁边的就是麻雀，麻雀旁边的就是燕子。
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