Polyether ketone ketone (pekk)
[化] 聚醚酮酮
🧩 词语组成解析
n. [化]聚醚,多醚
ketone
['ki:toʊn]
n. 酮;
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
And this is my mother, Ellen Stewart.
这是我妈妈， Ellen Stewart。
What would you like to eat?
你想吃什么？
So you are Yang Mei. Nice to meet you.
这么说你就是杨梅了。见到你很高兴。