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
His studies advanced steadily.
他的学业不断进步。
Mrs.Smith, I'd like to introduce a friend of mine, Pierre Dubois.
史密斯太太，我来介绍一下我的朋友皮埃尔=杜布斯。
Then we can see Aswan without walking too much.
而且不必走太多路我们就可以观看到阿斯旺。