cubic fit

例句：

1. 1.The cube is a shape that has six equal sides.
   立方体是一种有六个相等边的几何形状。
2. 2. The new software fits perfectly into our existing system.
   这款新软件完美地融入了我们的现有系统。
3. 3.The engineer was able to fit the machine into the tight space.
   工程师能够将机器放入狭小的空间。