Zeolite(molecular sieve)catalyst
[化] 沸石催化剂; 沸石分子筛催化剂
🗣️ 情景例句
I hope you have a wonderful time
希望你们玩得开心
You're not wearing enough. It's cold out there.
你穿这样不够保暖。
We can't make up our minds.
我们还拿不定主意。