on guard是什么意思？

• ticket
• 分配英文
• conflict
• modernize
• 旋律的英文
• volume
• 纪念品英语
• aspect
• prompt
• emergency
• bothering
• 方案英语
• tourist
• dragon
• banger
• 解决方案英文
• 权限英文
• satisfaction
• disappointed
• explore
• monitor
• default
• 参数英文
• 长颈鹿英语怎么说
• bombarded
• reveal
• giraffe
• rice
• ultra
• lycopene

• 领域英语
• brat
• searches
• 造型的英文
• supper
• 确认英文
• juice
• searches
• theatre
• 队长的英文
• silver
• pear
• vehicle
• neck
• giraffe
• firmness
• 导师英文
• failure
• cloud
• droplets
• lesson
• 参与者英文
• fiercely
• various
• toxicity
• client
• saturday
• intermission
• maths
• repeat

• ripened
• ripens
• rivalling
• rotaries
• rotations
• rouses
• saddling
• sauced
• saucing
• scarfs
• scarfed
• scarfing
• scatters
• scolding
• scolds
• scopes
• scoped
• scoping
• scorning
• scraped
• seaports
• secondaries
• selves
• semesters
• semiconductors
• senates
• sentencing
• sequenced
• sequencing
• seventeens