沙漏计时器；通过沙子流动计时的装置
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沙漏计时器；通过沙子流动计时的装置；沙漏计时器；通过沙子流动计时的装置
a device that measures time by the flow of sand from one glass bulb to another; an hourglass
She flipped the sand timer to give herself two minutes to answer.
她翻转沙漏计时器,给自己两分钟时间作答。
沙漏计时器；通过沙子流动计时的装置
a device that measures time by the flow of sand from one glass bulb to another; an hourglass
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Dictionary facts from AI_SUPPLEMENT.