Word · Frequency #10993
excitation
刺激；激励；令人兴奋的事物
something that agitates and arouses
- 1.
The act of exciting or putting in motion; the act of rousing up or awakening.
激发或运动的行为；唤醒的行为
- 2.
The act of producing excitement (stimulation); also, the excitement produced.
产生兴奋(刺激)的行为；也指产生的兴奋
- 3.
The activity produced in an organ, tissue, or part, such as a nerve cell, as a result of stimulation.
器官、组织或部分(如神经细胞)因刺激而产生的活动
- 4.
A transition of a nucleus, atom or molecule to an excited state by the absorption of a quantum of energy; the opposite of relaxation.
通过吸收能量量子使原子核、原子或分子过渡到激发态；与弛豫相反
激发；兴奋；激发或运动的行为；唤醒的行为；产生兴奋(刺激)的行为；也指产生的兴奋；器官、组织或部分(如神经细胞)因刺激而产生的活动；通过吸收能量量子使原子核、原子或分子过渡到激发态；与弛豫相反
In use
The electrical excitation of the heart muscle keeps the heartbeat regular.
The crowd’s excitation grew as the band walked onto the stage.
Scientists measured the excitation of the atoms after the laser pulse.
cause excitation
The sudden noise caused excitation in the auditory nerve.
突然的噪音引起了听觉神经的兴奋。
in a state of excitation
The neurons remain in a state of excitation after stimulation.
刺激后神经元保持兴奋状态。
excitation of ...
常用于物理或化学语境。
Connections
Collocations
- sexual excitation
- 性兴奋；性唤起
- Sexual excitation is a normal physiological response to erotic stimulation.性兴奋是对色情刺激的正常生理反应。
- neural excitation
- 神经兴奋
- Neural excitation spreads along the axon as an electrical impulse.神经兴奋以电脉冲的形式沿轴突传播。
- electron excitation
- 电子激发
- Electron excitation occurs when the atom absorbs a photon.当原子吸收光子时会发生电子激发。
- excitation energy
- 激发能；激励能
- The excitation energy determines the wavelength of the emitted light.激发能决定了发射光的波长。
- excitation spectrum
- 激发光谱
- The excitation spectrum shows how fluorescence intensity varies with excitation wavelength.激发光谱显示荧光强度随激发波长的变化。
Learner notes
Memory Tip
想象神经受到刺激而兴奋，原子外层电子被激发跃迁，两个场景都带一个“激”字，记住 excitation 既指生理兴奋也指物理激发。
Context & Register
语域：formal 常见场景：神经生理学、原子物理、学术论文 excitation 通常用于较正式的书面或学术语境，表示“兴奋、激发或刺激”的过程；日常口语中较少使用。
Pronunciation & Spelling
与 excitation 押韵的词有 citation、station、vacation、nation，它们都以 /eɪʃən/ 收尾。注意 excite 和 excitement 虽然拼写相似，但发音分别以 /saɪt/ 和 /saɪtmənt/ 结尾，不押韵。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.