acetylcholine的音標為["?s?t?l"k??n]，基本翻譯是乙酰膽堿。速記技巧可以是將該詞拆解為“acetyl”（乙酰）和“choline”（膽堿），并記住它們共同構成了該詞的詞根，有助于記憶。

Acetylcholine的英文詞源可以追溯到拉丁語和希臘語，意為“乙酰基”和“膽堿”。它的化學結構是一種神經遞質，在神經細胞之間傳遞信息。

變化形式：

1. Acetyl (乙?；? 是其最常見的形式，常用于化學反應和生物分子中。

2. Acetylcholine (乙酰膽堿) 是其完整的名稱，用于描述其完整的化學結構。

相關單詞：

1. Cholinergic (膽堿能神經元) - 指那些釋放乙酰膽堿的神經元，在神經系統中傳遞信息。

2. Acetylcholinesterase (乙酰膽堿酯酶) - 是一種酶，能夠分解乙酰膽堿，是神經系統中重要的神經遞質調節酶。

3. Acetylcholinesterase deficiency (乙酰膽堿酯酶缺乏癥) - 是一種遺傳性疾病，導致乙酰膽堿在神經系統中過度積累，影響神經系統功能。

舉例來說，乙酰膽堿在神經系統中扮演著重要的角色，它負責傳遞信息，調節神經元的興奮性和傳導性。同時，乙酰膽堿還與記憶、學習、行為和情緒等大腦功能密切相關。

常用短語：

1. acetylcholine receptor

2. cholinesterase

3. cholinergic

4. cholinergic receptor

5. cholinergic transmitter

6. cholinergic neuron

7. cholinergic synapse

例句：

1. Acetylcholine is a neurotransmitter that plays a crucial role in the brain.

2. The cholinergic neurons in the midbrain are responsible for regulating heart rate and blood pressure.

3. Acetylcholinesterase inhibitors are commonly used to treat Alzheimer"s disease.

4. The cholinergic system is involved in memory and cognitive function.

5. Cholinergic neurons are essential for normal nervous system function.

6. The cholinergic synapse is a key site for communication between nerve cells.

7. The cholinergic hypothesis of schizophrenia proposes that the disorder is related to dysfunction of the cholinergic system.

英文小作文：

Neurotransmitters play a vital role in the brain, and acetylcholine is one of the most important ones. It is responsible for transmitting signals between nerve cells, and its levels are tightly regulated by the cholinesterase enzyme. In diseases such as Alzheimer"s disease, this regulation can become disrupted, leading to cognitive impairment and other symptoms. Understanding the role of acetylcholine and other neurotransmitters in the brain is crucial for developing effective treatments for neurological disorders.