Answer:
How you find out the meaning of words you don't know can be context clues.
Explanation:
resilient, piston, gliding, and poised
These words are all surrounded by synonyms( word that mean about the same). Sinse resilient is surrounded by other descriptive words you can makeout that the meaning of resilient is strong and withstanding. To find the meaning of piston youo can see how the describing words show that it is like a joint on the creature. Gliding can be seen in the sentece as an verb therefore we know it is a motion of some kind and the fact that ballet s after it it makes me think that it is a more elegant and airy motion. Poised this word coupled with the words around it show that it is an elegant look like a ballet dancer or a elegant ladylike behavior.
Hope this helps