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2002年3月,星龙乘热气球与他的好朋友Sun饱览了地球村的名胜古迹。4月,他们回到了《初中生数学学习》编辑部。 Sun是一个计算能力超强的教
In March 2002, Xinglong took a hot air balloon and his good friend Sun to see the places of interest of the Global Village. In April, they returned to the “Junior High School Mathematics Learning” editorial department. Sun is a super-computing teaching