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Hourglass
01
砂時計
a glass container with two parts that measures every sixty minutes using the sand flow from the upper to the lower part
例
The hourglass on the desk was used as a timer for the study session.
She flipped the hourglass to start the 30-minute countdown for her cooking task.
The hourglass was a traditional method for measuring time before modern clocks became common.
They used an hourglass during the game to keep track of turns and ensure fairness.
He watched the sand slowly flow through the hourglass as he waited for his meeting to start.
