The old cultural history of china for five thousand years leaves a great deal of cultural resources.
中华五千年的古老文化历史，留给了我们无穷尽的文化资源。
Scientists believe sandals found in the Arnold Research Cave in the American state of Missouri are about seven thousand five hundred years old.
科学家们认为在美国密苏里州阿诺德研究洞里发现的凉鞋已经大约7500多岁了。
Scientists believe sandals found in the Arnold Research Cave in the American state of Missouri are about seven thousand five hundred years old.
科学家们认为在美国密苏里州阿诺德研究洞里发现的凉鞋已经大约7500多岁了。
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