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
Can I call you sometime?
我能给你打电话吗？
I played in the yard this afternoon.
我今天下午在庭院玩。
Vera's curious talent was brought to the notice of a scientific research institute in the town of Ulyanovsk, near where she lives,
维拉的特异功能引起了她家附近乌里扬诺夫斯克城一个科研单位的注意。