Molecular sieve catalyst
[化] 分子筛催化剂
🧩 词语组成解析
sieve
[sɪv]
n. [粮食][矿]筛子;滤网;不能保守秘密的人，嘴不严的人;
v. 筛，筛选;滤;
🗣️ 情景例句
and pleased to be living with the family.
乐于跟家人住在一起。
I really feel bad about it. Let me buy you a new one.
我真为这件事感到遗憾。我给你买一本新的吧。
I had a little accident last Sunday.
上星期天我出了个小事故。