tryptophanyl

例句：

1. 1. Tryptophan is an essential amino acid that plays a crucial role in the body's production of serotonin.
   色氨酸是身体生产血清素所必需的氨基酸，它在体内起着至关重要的作用。
2. 2. The patient was given a tryptophan supplement to help with his sleeplessness.
   患者被给予色氨酸补充剂以帮助改善他的失眠症状。
3. 3. The research team discovered that tryptophan can enhance memory and learning abilities.
   研究小组发现色氨酸可以提高记忆力和学习能力。