Olefine ketone
[化] 烯酮
🧩 词语组成解析
[化] 烯烃; 链烯烃
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
if you skip it now.
假如你现在略过它的话。
Work today,for you know not how much you may be hindered tomrrow.
今朝有事今朝做，明朝可能阻碍多。
I beg your pardon?Who's climbing the tree?
你说什么？谁在爬树？