protractile

• 形容词，描述某物可以被伸出或拉出的性质，尤其用于生物学或机械语境。现在已很大程度上被“protractible”或“extendable”取代。

An adjective describing something that can be extended or drawn out, especially in a biological or mechanical context. Now largely replaced by 'protractible' or 'extendable'.

1. Capable of being extendedC2formal

   Able to be drawn out or lengthened, especially in reference to a body part or object.

   可伸出的

   • The chameleon's tongue is protractile, allowing it to catch insects from a distance.
   • Some species of fish have protractile jaws for capturing prey.
   • The device has a protractile arm that can reach into narrow spaces.

   同义词extendableextendibleextensibleprotractibleprotrusibleprotrusile

   反义词fixedimmovableretractile