excitatory neuron

例句：

1. 1. The novel excites the imaginationof readers.
   这部小说激发了读者的想象力。
2. 2. The music was so exciting that Icouldn't stop dancing.
   那音乐太激动人心了，我根本停不下来跳舞。
3. 3. The excitement of the new projecthas been palpable.
   新项目的兴奋感已经非常明显了。