Polyether ketone ketone (pekk)
[化] 聚醚酮酮
?? 詞語組成解析
n. [化]聚醚,多醚
ketone
['ki:to?n]
n. 酮;
ketone
['ki:to?n]
n. 酮;
??? 情景例句
OK. Since you put it this way. I'll have to comply.
好吧。既然你這么說，我只好同意了。
I feel guilty because I haven't written her lately.
因為我最近沒給她寫信，我感覺到有罪。
I sat down at the breakfast table in an exhausted condition.
然后坐到桌邊吃早飯，一副筋疲力盡的樣子。