Laevulic acid
[机] 乙酰丙酸, 左旋酸
🧩 词语组成解析
🗣️ 情景例句
Does Richard Stewart live here?
Richard Stewart住这吗？
He can't dress himself yet because he's too young.
他还不能给他自己穿衣服因为他是太年轻的。
He says that all this happened after I started work.
他说，这一切都是在我开始工作后才发生的。