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
You're growing so fast, Michelle.
长得太快了， Michelle。
Be slow in choosing a friend; slower in changing.
选择朋友要审慎，摒弃更要审又慎。
'Oh, is it?' said the sheriff with a sneer.'Well, I'm Brinksley Meers, and my other name is Gloria Gleam.
“噢，是吗？”那位司法长官冷笑一声说道，“好，我就是布林克斯利。米尔斯。我还有一个名字叫格格利亚。