Olefine
[化] 烯烃; 链烯烃
🗣️ 情景例句
Certainly.
当然。
Insecticides destroy many harmful bugs.
杀虫剂能驱除许多害虫。
Jeremy was a little disappointed by this but he did as his daughter asked.
这不免使杰里米有点扫兴，但他还是按照女儿的要求做了。