cocaine
/kəʊˈkeɪn/noun
mass noun
1- an addictive drug derived from coca or prepared synthetically, used as an illegal stimulant and sometimes medicinally as a local anaesthetic古柯碱, 可卡因（古柯中提取或人工合成的上瘾麻醉药, 系违禁兴奋剂, 医学上有时用作局部麻醉剂）。
1.1
- An alkaloid; chem. formula: C17H21NO4.一种生物碱, 化学分子式： C17H21NO4.
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