on guard是什么意思？

• narrow
• begins
• saturday
• prompt
• 参与者英文
• 呼吁英语
• toxicity
• repeat
• algiers
• aspect
• general
• 参数英文
• 实施英文
• mind
• 造型的英文
• searches
• BARRIE
• passage
• monitor
• 旋律的英文
• 抛弃英文
• various
• supper
• general
• giraffe
• organizations
• 解决方案英文
• failure
• juice
• default

• brat
• neck
• 来源英语
• pear
• 队长的英文
• 局外人英文
• 领域英语
• profile
• text
• volume
• predict
• front
• PAXLOVID怎么读
• sweater
• 确认英文
• droplets
• cheese
• lycopene
• client
• banger
• reveal
• disappointed
• 流浪者英文
• autumn
• theatre
• intermission
• satisfaction
• fake
• emergency
• panicked

• defaecate
• defaecation
• defalcate
• defalcation
• defalcator
• defalias
• defamation
• defamatory
• defame
• defat
• defatted
• default
• defaulter
• defaulting
• defaults
• defconstant
• defeasance
• defeasible
• defeat
• defeatherer
• defeatism
• defeatist
• defeature
• defecate
• defecation
• defecator
• defect
• defection
• defective
• defectively