英语词汇pneumatic duct怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pneumatic duct
释义	Definition of pneumatic duct in English: pneumatic duct noun Zoology A short tube connecting the swim bladder of physostomous fishes with the oesophagus. Origin Mid 18th century. Definition of pneumatic duct in US English: pneumatic duct noun Zoology A short tube connecting the swim bladder of physostomous fishes with the oesophagus. Origin Mid 18th century.
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Definition of pneumatic duct in English: