The smoke floated up around the flat square of lighted glass in the ceiling.

烟雾在天花板上四方形的发光玻璃周围飘浮。

A voxel is like a three-dimensional pixel, but instead of being a flat image square, staying light and colored, it's like a three-dimensional cube in space, with x, y, and z positions.

体素就像一个三维像素， 但它不是一个平面图像正方形，保持浅色和彩色， 它就像空间中的三维立方体， 具有 x、y 和 z 位置。