单词：tryptophan
音标：['triptәfæn] ；
n. 色氨酸
[化] 色氨酸; β-吲哚基丙氨酸
[化] 色氨酸; β-吲哚基丙氨酸
n. an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin
词型变化：名词复数形式 : tryptophans
词性分布：
tryptophan的用法和样例：
例句
用作名词(n.)
- Once in the brain, the tryptophan is converted to serotonin.一旦进入大脑，色氨酸会被转化成血清素。
- She rates dozens of foods for their levels of tryptophan.她对数十种食物的色氨酸水平进行了估计。
词汇搭配
- tryptophan synthase色氨酸合成酶...
- tryptophan pyrrolase色氨酸吡咯酶...
- tryptophan oxygenase色氨酸加氧酶...
- tryptophan desmolase色氨酸碳链酶...
- acetyl tryptophan乙酰色氨酸
【近义词】
- tryptophane(=tryptophan...
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