单词	peritrophic membrane
释义	peritrophic membrane noun peri·​troph·​ic membrane ¦perə‧¦träfik- : a tubular chitinous sheath inside the midgut of many insects that is continuously secreted at the anterior end of the midgut Word History Etymology International Scientific Vocabulary peri- + -trophic
随便看	selling someone on selling up selling-plater selloffs sellotaped sellotapes sellotaping sellout sellouts sells sells (for) sells (out) sells a bill of goods to sells down the river sells for sells off sells on sells out sells short sells someone on sells up Selma selmae selmas selmata

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