到了1949年，一位名叫法兰西区的美国化学家研究出一个更好的墨水制造配方。
By 1949 an American 1 chemist, named Fran Seech, had 2 come up with a better 3 formula for making ink.
MDMA已于百多年前首次人工合成，然闻者盖寡，及至上世纪六十年代，一年轻美国化学家始而食之。
MDMA was first synthesised almost a century ago but was little noticed until the 1960s when young American chemists began to ingest it.
科学家们发明了升级版的“苦味绝”，并在美国化学家协会的国内会议上宣布他们大获成功——“新一代高效苦味绝”。
Because scientists have concocted a new and improved "bitter blocker." They touted their triumph at the national meeting of the American Chemical Society. Ioana Ungureanu et al.
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