日期:
来源:雅诚德英语网
When you want to know if something is transparent to visible light or not, here is the mystery material and here is visible light.
当你想知道某物对可见光是否透明时,这里是神秘物质,这里是可见光。
When you want to know if something is transparent to visible light or not, here is the mystery material and here is visible light.
当你想知道某物对可见光是否透明时,这里是神秘物质,这里是可见光。