Invest in some interactive toys such as a fishing-poleline for him to chase.
搞一些互动的玩具比如说给他一个钓竿线去追。
2
The Earth spins on an imaginary line called an axis that runs from the north pole to the south pole, while also orbiting the sun.
地球绕一个贯穿南极点和北极点的假想轴旋转，这个假想轴称为地轴。 同时也绕太阳公转。
3
This line, running around the globe some 2, 000 miles from the South Pole itself, just misses the lower tip of South America, and is well below the Cape of Good Hope and New Zealand.