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
Very nice to meet you.
很乐意见到你。
Don't touch it.
不要碰它。
I can help myself, thanks.
我自己来，谢谢。