这个数学玩具展示了一个莫比乌斯环的神奇特性。

This math toy demonstrates the fascinating properties of a ___Möbius strip.

他的思维方式就像一个莫比乌斯带，总是回到原点却又不断前进。

His way of thinking is like a ___Mobius strip—always returning to the starting point yet moving forward.