People highly esteem Zhang Heng, a great scientist living more than 1,800 years ago, and they often hold commemorative activities to show respect for him.
人们非常敬重张衡这位1,800多年前的大科学家，经常举行纪念活动，表示对他的敬意。
People highly esteem Zhang Heng, a great scientist living more than 1,800 years ago, and they often hold commemorative activities to show respect for him.
人们非常敬重张衡这位1,800多年前的大科学家，经常举行纪念活动，表示对他的敬意。
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