L-tryptophan
[建] 左旋色氨酸
🧩 词语组成解析
n. 色氨酸\\n[化] 色氨酸; β-吲哚基丙氨酸
🗣️ 情景例句
Hail, Hail to Michigan,
致敬， 向Michigan致敬，
Shame on you!
不知羞耻！
It was warm last Sunday, so I went and sat on the river bank as usual.
上星期日天气很暖和。于是我和往常一样，又去河边坐着。