Methamphetamine, often called meth or crystal meth, is a powerful and extremely addictive drug. It affects the central nervous system and increases the release of dopamine in the brain, leading to increased energy, alertness, and feelings of extreme joy and excitement. Methamphetamine is typically found as a white, bitter-tasting powder that has no smell and can be taken by swallowing, snorting, injecting, or smoking. Its effects can last for several hours, causing decreased appetite, quick heart rate, increased body temperature, and potentially dangerous behaviors. Prolonged use of methamphetamine can lead to serious physical and mental health issues, including addiction, dental problems, weight loss, and mental difficulties. Because of these risks, methamphetamine is an illegal drug in many countries.

“methamphetamine”的英语定义和含义

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