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
We had a good day.
我们今天玩得很开心。
Quietness is best.
宁静最好。
We'll be calling you again next month.
下个月我们会再打电话给你。