Acraldehyde
n. (=acrolein)[化]丙烯醛
🗣️ 情景例句
What's the book about?
这些书写什么？
Spot, the dog, always whimpers when he is left alone.
那条叫斯伯特的狗，被单独留下来，时常寂寞得呜咽。
We were so excited, my brother and I, that we did not get to sleep until very late.
我们太激动，以至于我和我弟到很晚才睡得着。