Radiation is symmetric on both sides是什么意思？

• reveal
• emergency
• 来源英语
• various
• cloud
• juice
• toxicity
• BARRIE
• 实施英文
• conflict
• 纪念品英语
• text
• erased
• 造型的英文
• prompt
• ticket
• searches
• brat
• giraffe
• vehicle
• fiercely
• lesson
• 缺陷英文
• ultra
• aspect
• default
• banger
• 队长的英文
• 分配英文
• volume

• predict
• profile
• amazing
• narrow
• lycopene
• crayon
• polite
• general
• 参数英文
• silver
• 权限英文
• 抛弃英文
• 参与者英文
• disappointed
• pear
• front
• begins
• mind
• client
• searches
• monitor
• 局外人英文
• 导师英文
• tourist
• approaches
• panicked
• 方案英语
• neck
• rice
• modernize

• spun silk
• iophenoic acid
• be equipped with
• alkylol amine
• table cover
• vaticinal
• Fawckner
• charcoal drawing
• gymnasiums
• such as ammunition
• Barrel rack
• Turn the book to
• pantocidum
• enter a school
• rousers
• good and honest
• brown packing paper
• heteropycnosis
• propaedeutic
• neat work
• colica
• Cicipio
• klepto
• public order