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excitatory + noun
excitatory 常作定语，修饰 effect 等名词。
The drug has an excitatory effect on the nervous system.
这种药物对神经系统有兴奋作用。
兴奋性的；刺激性的
先理解核心含义，再看它在真实句子里的用法。
兴奋性的；刺激性的
able to excite or stimulate, especially of drugs
The drug has an excitatory effect on the nervous system.
这种药物对神经系统有兴奋作用。
刺激的；引起兴奋的
Stimulating, exciting or causing excitation; excitative.
与兴奋有关的
Of or relating to excitation.
The drug has an excitatory effect on the nervous system, so patients should be monitored closely.
这种药物对神经系统有兴奋作用，因此应密切监测患者。
Caffeine is known for its excitatory properties, which is why many people drink coffee in the morning.
咖啡因以其兴奋性而闻名，这就是为什么许多人在早晨喝咖啡。
An excitatory signal from the brain caused the muscle to contract.
来自大脑的兴奋性信号导致肌肉收缩。
excitatory 常作定语，修饰 effect 等名词。
The drug has an excitatory effect on the nervous system.
这种药物对神经系统有兴奋作用。
作表语时表示某物质具有刺激或兴奋作用。
This drug is excitatory.
这种药物是兴奋性的。
Not this
He felt excitatory after taking the medicine.
Use this
He felt excited after taking the medicine.
excitatory 意为“产生兴奋的”，描述事物能引起兴奋，而非人的主观感受；表达某人感到兴奋时应用 excited，故用 excited 才正确。
Not this
The drug has an exciting effect on the nervous system.
Use this
The drug has an excitatory effect on the nervous system.
在生理学和药学语境中，excitatory 指对神经等产生刺激作用，是专业术语；exciting 则表示“令人激动、感兴趣的”。此处谈论药理作用，应用 excitatory。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
兴奋性神经递质
The drug increases the release of excitatory neurotransmitters in the brain.
这种药物增加大脑中兴奋性神经递质的释放。
兴奋性突触后电位
Long-term potentiation involves changes in excitatory postsynaptic potentials.
长时程增强涉及兴奋性突触后电位的变化。
兴奋性突触
These receptors are located mainly at excitatory synapses.
这些受体主要位于兴奋性突触上。
兴奋性输入
The neuron receives powerful excitatory input from the sensory cortex.
该神经元接收来自感觉皮层的强大兴奋性输入。
兴奋性氨基酸
Glutamate is the main excitatory amino acid in the central nervous system.
谷氨酸是中枢神经系统中主要的兴奋性氨基酸。
兴奋效应
Caffeine has a clear excitatory effect on the central nervous system.
咖啡因对中枢神经系统有明显的兴奋效应。
Use excitatory naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 excitatory 拆成 excite（兴奋）+ atory（形容词后缀），联想药物让人兴奋、起刺激作用，就能记住“兴奋性的”。
语域：formal 常见场景：neuroscience、pharmacology、physiology 该词是较正式的专业术语，通常见于神经科学、生理学和药理学等学术或临床语境；日常口语中不常用，多改用 stimulating 或 exciting。
这些词均以拼写后缀 -atory 结尾，英式发音中该后缀常读作 /ətəri/（美式常作 /ətɔːri/）。其中 explanatory、mandatory、preparatory、inflammatory 的重读元音都是 /æ/，但后续辅音不同，读起来并不押韵；且均不与 excitatory 构成真正押韵，因为 excitatory 的重音在第二音节 /saɪ/，读作 /ekˈsaitətəri/。特别注意 regulatory 的重音在第三音节 /leɪ/，读音与其余词差异较大。
Dictionary facts from ECDICT, WIKTIONARY.