Read Edit View history 苏氨酸 sū'ānsuān threonine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 苏氨酸/蘇氨酸 · sū'ānsuān · threonine 2026/03/04 苏氨酸 / 蘇氨酸 sū'ānsuān threonine threonine (Thr), an essential amino acid 人体无法自行合成苏氨酸，必须通过饮食摄入。 noun created sense Mar 4, 2026, 02:25 AM