Mannuronic acid
[化] 甘露糖醛酸\\n[医] 甘露糖醛酸
🧩 词语组成解析
🗣️ 情景例句
Anytime.
随时找我。
Custom makes all things easy.
若照习惯办，万事皆不难。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！