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
and a book of photos about the United States still feels right.
而一本关于美国的摄影集仍然很有前景。
Goodbye. Thanks again for everything.
再见了，再次感谢你所做的一切。
And, because most books were not printed in Braille.
因为大多数的书本没用布莱叶文印刷。