D-ala
[医][=delta aminolevulinic acid]δ-氨基γ-戊酮酸，δ-氨基乙酰丙酸
🧩 词语组成解析
n. 翼, 翅\\n[化] 丙氨酸
🗣️ 情景例句
and do it while I talk to my secretary.
我去和秘书说个话。
Is it too far to walk?
走着去很远吗？
You had it when I last saw you.
我上次见你时你还有的。