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
Why does he want to do that?
为什么他要那么做呢？
Nothing is impossible (or difficult) to the man who will try.
天下无难事，只怕不努力。
This may sound fantastic, but it is easily calculated.
这点听起来令人难以置信，但却很容易计算出来。