Read Edit View history 色胺酸 sè'ànsuān tryptophan Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 色胺酸 sè'ànsuān tryptophan noun · tryptophan (Taiwan usage) 色胺酸是人體必需的胺基酸之一,能幫助睡眠。 Edit Delete References Add reference No references for this word.