沙漏在黑暗中完成计数 Hourglass in the dark finishes its count

振荡光在黑暗的背景下停止计数，从黑暗中照亮玻璃沙漏，慢慢地回到黑暗中。

Oscillating light illuminates a glass hourglass from darkness by stopping its count against a dark background, slowly returning to darkness.