Cracker
01
a thin, crisp baked wafer made of flour and water, sometimes slightly sweetened or leavened
例子
She spread cheese on a plain cracker for a snack.
Saltines are a popular type of cracker.
02
a paper roll that pops when pulled at both ends, often containing candy or a small gift
例子
The children pulled Christmas crackers at the dinner table.
Each cracker contained a small toy and a joke.
03
a small explosive firework wrapped in paper, designed to detonate with a loud pop
例子
The festival featured colorful firecrackers and loud crackers.
He lit a cracker that exploded with a sharp bang.
04
a low-income White person from the southern US
例子
Historical texts refer to poor rural crackers in the antebellum South.
The novel depicted life in a small town among crackers struggling to survive.
05
电脑黑客, 恶意黑客
an individual who engages in unauthorized attempts to access computer systems, networks, or software, often with malicious intent
例子
Security experts work tirelessly to defend computer systems against crackers attempting unauthorized access.
安全专家不懈努力，以防御计算机系统免受试图未经授权访问的黑客攻击。
The company 's cybersecurity team detected a cracker's attempt to breach their network and promptly took preventive measures.
该公司的网络安全团队发现了一名黑客试图入侵其网络的企图，并迅速采取了预防措施。
