excitation
noun [ U ] uk/?ek.sa??te?.??n/ us/?ek.sa??te?.??n/
science specialized刺激;激励
the process of making something, for example a particle or a cell, more active
The absorbed X-rays cause excitation of the electrons in the atoms of a crystal. 吸收的X射线引起晶体原子中电子的激发。
（性）兴奋
the process of becoming sexually excited
sexual excitation 性兴奋
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