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
I'd appreciate that.
谢谢你让我使用电话。
Know something like the palm of one's hand.
熟知其事，了如指掌。
This factory needs a computer as soon as possible.
工厂需要尽快有一台电脑。