Naphthacetol
[化] 4-乙酰氨基-1-萘酚
🗣️ 情景例句
Always full of surprises.
总是出人意表。
Nothing is difficult to the man who will try.
世上无难事，只要人肯试。
Could I have this sample free of charge?
这样品可以免费送我吗？