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It was not until 1500 BC, however, that the first hollow glass container was made by covering a sand core with a layer of molten glass. 然而，直到公元前1500年，第一个中空玻璃容器才通过用一层熔融玻璃覆盖砂芯制成。
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It was not until 1500 BC, however, that the first hollow glass container was made by covering a sand core with a layer of molten glass. 然而，直到公元前1500年，第一个中空玻璃容器才通过用一层熔融玻璃覆盖砂芯制成。