n.刺激;激动;激发
Perhaps his nerve is naturally too dull to admit of any excitation. 大概他的神经天生就很迟钝以至不容有任何刺激的余地。
His eyes scintillated excitation . 他的眼睛闪烁激动的目光。
The different excitation sources are pulsed to give intermittent radiation. 各种激发源形成脉动,以产生间歇的辐射。
n.[电]自励;自激
过度兴奋,过分激动, 励磁过度