heterocyclic ring是什么意思？

• giraffe
• ticket
• 队长的英文
• 呼吁英语
• ultra
• polite
• sweater
• 权限英文
• fake
• monitor
• firmness
• algiers
• rice
• PEGGING
• intermission
• 参数英文
• 参与者英文
• searches
• text
• BARRIE
• predict
• emergency
• default
• explore
• vehicle
• 抛弃英文
• various
• disappointed
• 确认英文
• general

• 领域英语
• silver
• giraffe
• front
• permitted
• 长颈鹿英语怎么说
• begins
• repeat
• dragon
• panicked
• cloud
• organizations
• 旋律的英文
• chess翻译
• amazing
• candy
• prompt
• bombarded
• 实施英文
• 造型的英文
• failure
• 局外人英文
• lesson
• neck
• tourist
• modernize
• 流浪者英文
• 缺陷英文
• 方案英语
• saturday

• devote oneself to
• die break
• digestive system
• draft plan
• drip cup
• drum skin
• duct gland
• earn the name of
• elective system
• electric eel
• electric resistance
• electric trolley
• emission control
• empty of
• in route from to
• end in
• endangered species
• energy content
• enter a race
• entrance requirement
• equilateral triangle
• every item of dress
• every walk of life