by chemical means是什么意思？

• pear
• emergency
• rice
• client
• vehicle
• 参数英文
• cheese
• 局外人英文
• PEGGING
• text
• saturday
• 来源英语
• maths
• ticket
• 缺陷英文
• conflict
• ultra
• repeat
• passage
• BARRIE
• mind
• cloud
• scared
• banger
• brat
• lesson
• tourist
• front
• giraffe
• permitted

• giraffe
• default
• 长颈鹿英语怎么说
• lake
• satisfaction
• panicked
• peeping
• 队长的英文
• lycopene
• crayon
• searches
• predict
• narrow
• 方案英语
• approaches
• 旋律的英文
• erased
• dragon
• 呼吁英语
• 分配英文
• chess翻译
• supper
• profile
• 流浪者英文
• begins
• modernize
• passage
• failure
• 导师英文
• neck

• take exercise
• after class
• on holiday
• Chinese New Year
• oak tree
• conker tree
• pine tree
• city flower
• a quarter to ten
• half past seven
• Night Zoo
• for a day trip
• Window of the World
• See you tomorrow
• Why not
• South America
• straight ahead
• pen friend
• be worried about
• have a bath
• take medicine