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
Why advanced?
为什么是高级的？
What do you like to do in your spare time?
空闲时你喜欢干什么？
Suddenly the door of the storeroom was opened and a man entered.
突然贮藏门开了，一个男人走了进来。