好词典

excitations

UK /ˌɛksɪˈteɪʃənz/US /ˌɛksaɪˈteɪʃənz/

词源

源自拉丁语 'excitare',意为 '唤醒' 或 '激发',后经法语进入英语。

noun

❶ 指引起兴奋或激动的状态或行为,常用于描述情绪高涨或物理能量激发的场景。

“The children's excitations were obvious as they waited for the circus to start.”

(孩子们等待马戏团开始的兴奋之情显而易见。)

“The excitations of the crowd grew as the concert began.”

(音乐会开始时,人群的激动情绪逐渐高涨。)

❶ 在物理学中,指原子或分子从低能级跃迁到高能级的过程,通常需要吸收能量。

“The excitations of electrons are crucial for understanding quantum mechanics.”

(电子的激发对于理解量子力学至关重要。)

“Light can cause excitations in certain materials, leading to fluorescence.”

(光可以引起某些材料的激发,从而导致荧光现象。)

同义词:stimulation, arousal, agitation

常见短语

thermal excitations — 指由于温度变化引起的原子或分子的能量激发,常见于热力学和材料科学领域。

“Thermal excitations can lead to changes in the material's properties.”

(热激发可能导致材料性质的变化。)