Butanal
正丁醛
?? 擴展釋義
【化】 丁醛
??? 情景例句
I can't thank you enough.
怎樣謝你都不過分。
What's this regarding?
這是關于哪方面的？
First of all, he wrote out a long list of all the foods which were forbidden.
首先，他開列了一張長長的單子，上面列了所有禁吃的食物。