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
a portrait of the United States--
一幅美国的剪影--
Silks and satins put out the fire in the kitchen.
绸缎要熄灭厨房的火。
The fire brigade was called and two fire fighter freed George using a special type of grease.
有人打电话叫来消防队，两位消防队员使用了一种特殊的润滑剂才使乔治得以解脱。