if not是什么意思？

• pear
• firmness
• 抛弃英文
• droplets
• permitted
• brat
• passage
• candy
• bothering
• conflict
• rice
• searches
• amazing
• lesson
• supper
• predict
• front
• failure
• searches
• BARRIE
• intermission
• organizations
• passage
• 解决方案英文
• various
• giraffe
• scared
• 局外人英文
• 领域英语
• mind

• default
• general
• 旋律的英文
• erased
• 权限英文
• 纪念品英语
• polite
• begins
• narrow
• 缺陷英文
• 来源英语
• juice
• silver
• lycopene
• fake
• fiercely
• 方案英语
• giraffe
• 呼吁英语
• disappointed
• panicked
• vehicle
• dragon
• aspect
• committing
• ticket
• cheese
• bombarded
• prompt
• cloud

• not level
• perfectly clear
• keep an appointment
• tree peony
• refringence
• ameliorant
• life boat
• Add lamp cover
• tree stool
• exhale from
• scrod
• theatrical work
• numerated
• laemmergeier
• rudimental
• stibnite
• cementing agent
• To ignite
• boil away
• handsome appearance
• ore crusher
• seep into
• cowskin
• pneumonosis
• sile
• wait until