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M-cat is a street name for a drug called . It is a man-made stimulant, which means it speeds the body and the mind up. The nickname was especially common in Britain in the 2000s and 2010s; the same drug was also called “ .” It is not an animal, and it is not a pill a doctor should give you. In many countries, Taiwan included, selling or having it is against the law. You will meet the word in news, in court reports, and in writing about nightclubs of that time. Use it only for this drug. The cute name is part of why people misread it.
喵喵（M-cat；4-甲基甲卡西酮，一種合成卡西酮類毒品）
組成A street nickname for mephedrone. The “cat” piece is the same joke as the other nickname “meow meow.” The M probably comes from mephedrone.
原始詞典資料1 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
這個拼法也被記錄為下列字的變化形：
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。