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
They came and solved the problem.
他们来了并解决了问题。
I've forgotten what time he said he had dinner last night.
我忘记了他昨晚什么时间吃晚饭的了。
Most funny stories are based on comic situations.
大部分令人发笑的故事都是根据喜剧情节编写的。