Zeolite(molecular sieve)catalyst
[化] 沸石催化剂; 沸石分子筛催化剂
🗣️ 情景例句
Oh, what are you doing tomorrow?
噢， 明天你打算做什么？
Poor without debt is better than a prince.
穷人无债胜王子。
Have you got a penfriend?
你有笔友吗？