Catalyst cracker
[建] 催化裂化设备
🧩 词语组成解析
cracker
[['krækə]]
n. 饼干, 爆竹\\n[计] 破袭者
🗣️ 情景例句
If the owners don't claim the dog in forty-eight hours,
如果狗的主人在四十八小时内不认领，
Let things take their course.
听其自然。
Where can I check in?
在哪儿办理登记手续？