Potassium polymannuronate
[机] 藻酸钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
🗣️ 情景例句
It's not necessary to whisper, Harry.
没有必要压低声音说话， Harry。
He'e never really made it as an actor.
他当演员从未有所成就。
The third, or main wave,
第三种波，即主波，