在新的系统里，两个人类潜水员在海豚面前交流：首先他们播放一声合成的哨音，然后其中一个人交给另一个人一块帕子或者一片水草。
In the new system, two human divers interact in front of dolphins: First they play a synthesized whistle sound, then one hands the other a scarf or a piece of seaweed.
这好比是一个人的所有唱片支能够在一种牌子的留声机里播放一个道理。
It is as though a person's entire record collection worked on only one brand of gramophone.
在某一个周六，我一个人坐在我俩那小小的公寓地板上缝着棉被。 这时，CD播放器自动转接到了亚当早些日子听过的Mos Def的专辑。
One Saturday I sat alone on the floor in our tiny apartment, piecing a quilt, when the CD changer switched to a Mos Def album that Adam had been listening to a few days before.
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