Sodium polymannuronate
[建] 藻酸钠
🧩 词语组成解析
sodium
['sodɪəm]
n. <化>钠(11号元素，符号 Na);
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
Dexterity comes by experience.
熟练来自经验。
In spite of the heavy rain, she went to the shop.
尽管下着大雨，她还是去了商店。