You will need a rectangular piece of cardboard, which can be cut off of an old milk container, a stick, and two rubber bands.
你可以从一个用完的牛奶盒中切下一张长方形硬纸板，然后你还需要一根筷子和两条橡皮筋。
You will need a rectangular piece of cardboard, which can be cut off of an old milk container, a stick, and two rubber bands.
你可以从一个用完的牛奶盒中切下一张长方形硬纸板，然后你还需要一根筷子和两条橡皮筋。
应用推荐