ethyl ketene

例句：

1. 1. The reaction between ethylene and ketene produces a powerful explosive.
   乙烯和乙炔二酮之间的反应产生一种强大的爆炸物。
2. 2.Ethylene diketone is used as a starting material for the synthesis of many organic compounds.
   乙炔二酮作为合成许多有机化合物的起始原料。
3. 3. During the preparation of ethylene diketone, it is important to control the temperature carefully to avoid decomposition.
   在制备乙炔二酮的过程中，需要小心控制温度以避免分解。