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
I know that, but ...
这我知道， 但是……
May I see your Identification card?
我能看你的身份证吗？
I told her that either I would have to buy a new mower or let the grass grow.
我告诉她，要么买一台新割草机，要么让草长下去。