| 单词 | Cryptodira | 
| 释义 | Cryptodiraplural noun  Cryp·to·di·ra   ˌkriptəˈdīrə  in some classifications    : a suborder of Thecophora comprising turtles that bend the neck in a vertical plane in order to retract it into the shell    cryptodiran  ¦⸗⸗¦⸗rən  cryptodire  ˈ⸗⸗ˌdī(ə)r  plural -s  cryptodirous  ¦⸗⸗¦dīrəs | 
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