Laevulic acid
[机] 乙酰丙酸, 左旋酸
🧩 词语组成解析
🗣️ 情景例句
What did you mean by well ...?
你说 嗯…… 的意思是什么？
Switzerland is famous for its milk and cheese.
瑞士的牛奶和奶酪是非常出名的。
Long ago, people believed that the world was flat.
很久以前人们相信地球是平的。