Let's pretend we 're on the spaceship orbiting round the earth!

让我们假装是在沿轨道绕地球运转的宇宙飞船上！

youdao

Let's pretend we 're on the spaceship orbiting round the earth!

让我们假装是在沿轨道绕地球运转的宇宙飞船上！

youdao