Dihydroxyacetophenone
[有化]二羟基苯乙酮
🗣️ 情景例句
Easy does it, Robbie.
慢慢来， Robbie。
How many pieces are you going to take?
你要拿几支？
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。