Ritalinn.
ri'tælin; rai-
中文n. 盐酸哌醋甲酯；利他林（中枢兴奋药）
词根词源
Ritalin (n.)proprietary name (Ciba Ltd., originally in Switzerland) for drug methylphenidate hydrochloride, copyrighted 1948, years before the drug itself was marketed.
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