单词	tergum
释义	tergum /ˈtəːɡəm / noun (plural terga) Zoology A thickened dorsal plate on each segment of the body of an arthropod.However the most important feature is undoubtedly the dorsal morphology of the tergum 13 with its two dorso-lateral tubercles connected by a transverse, elevated, rounded ridge.... After cutting the pleural membrane between the sterna and terga, it was possible to remove the entire genital apparatus with a fine-tipped forceps. Origin Early 19th century: from Latin, literally 'back'.
随便看	illustrate illustrated illustration illustrational illustrative illustratively illustrator illustrious illustriously illustriousness illuvial illuviated illuviation ill will Illyria Illyrian illywhacker ilmenite ilmoran ILO Ilocano Iloilo secretion secretive secretively

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