名詞 excitation:

1. the state of being emotionally aroused and worked up
   同義詞：excitement, inflammation, fervor, fervour
2. the neural or electrical arousal of an organ or muscle or gland
   同義詞：innervation, irritation
3. something that agitates and arouses
   同義詞：excitement

1. In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
   在陰極射線管顯示器中，用電子束激勵后熒光物質(zhì)光發(fā)射的持續(xù)現(xiàn)象。
2. Perhaps his nerve is naturally too dull to admit of any excitation.
   大概他的神經(jīng)天生就很遲鈍以至不容有任何刺激的余地。

ex.ci.ta.tion

n.（名詞）
The act or process of exciting or an instance of it.
激動：興奮的行為、過程或其實例
The state or condition of being excited.
興奮：興奮的狀態(tài)
Physiology The activity produced in an organ, a tissue, or a part, such as a nerve cell, as a result of stimulation.
【生理學(xué)】 刺激：產(chǎn)生于象神經(jīng)細胞之類的器官、組織或身體一部分的行為，是受刺激的結(jié)果