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
That's too bad. Bye.
太糟了。再见。
Excuse me, what time will the plane arrive in Tokyo?
对不起，请问飞机何时到达东京呢？
The following year, it was taken to pieces and sent to America.
第二年，它被拆成若干小块，运到美国。