VOA慢速英语:In Case You Missed it: Books, Music of 2010

back and forth来回地

例句：The wind moved the trees gently back and forth.
      风吹得树轻轻地来回摇晃。

2.That is hard to judge. People all over America seem to have fun on New Year's Eve.

have fun玩得高兴, 过得快活

例句：We have a lot of fun in the park.
      我们在公园里玩得很快活。

      I have no fun in spending the evening doing nothing.
      我晚上闲着无事很无聊。

3.My Beautiful Dark Twisted Fantasy is at the top of Spin Magazine's list of forty best albums of two thousand ten.

at the top of在…顶上

例句：The outtake is at the top of the windows.
      通气管在窗之顶端。