每日口說挑戰 眼睛有蟲在飄？！那些黑影到底是如何形成的！（What are those floaty things in your eye? - Michael Mauser）

今日挑戰句子

This has an effect similar to replacing a large diffuse light fixture with a single overhead light bulb, which also makes the shadow appear clearer.

這種效果跟用單一頂燈泡替換大型擴散光燈具類似，會使得陰影顯得更清晰。