timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage
sand glass的用法和樣例：
例句
用作名詞 (n.)
As a professional sand timer design and manufacturing company, Guangzhou Haoda Arts& Crafts Company has a strong development team and large production capacity. 廣州市浩達工藝禮品廠專業於計時沙漏工藝禮品的設計開發和生產製造，擁有強大的研發部門和生產實力。
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電信業務許可證編號：滬B2-20190700
