Conversion catalyst
[化] 转化催化剂(烃类转化过程的催化剂)
🧩 词语组成解析
🗣️ 情景例句
It's two words.
两个字。
How fragrant the flowers are!
这些花真香！
you have the choice of very expensive organically-grown vegetables or a steady diet of pesticides every time you think you're eating fresh salads and vegetables, or just having an innocent glass of water!
或是选用价格昂贵、有机培植的蔬菜，或是当你认为在享用新鲜色拉和新鲜蔬菜或饮用一杯无害的水的时候，实际上每次都不断吃进杀虫剂。