Diethylacetaldehyde
[化] 二乙基乙醛
??? 情景例句
Please give me a general view first, will you?
首先，請(qǐng)給我一個(gè)大概的介紹，行嗎？
What shall I send him for his Christmas?
我要送他什么東西作為圣誕禮物？
On the last day I made a big decision.
到了最后一天，我作出了一項(xiàng)重大決定。