Dinaphthyl ketone
[化] 二萘酮; 二萘甲酮
🧩 词语组成解析
二萘(基)
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
But Dad was so exhausted when he came home from work.
但爸爸工作回来时已经累得不得了了。
How much is it by air mail?
航空信要多少钱？
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。