appetite – n. a physical desire for food
conversational – adj. an informal way of talking involving two people or a small group of people : the act of talking in an informal way
cliff – n. a high, steep surface of rock, earth, or ice
springy – adj. returning to an original shape when pressed down, twisted, stretched, etc.
self-contained – adj. not requiring help or support from anyone or anything else
apparatus – n. a tool or piece of equipment used for specific activities
departure – n. a new or different way of doing something : the act of leaving a job, an organization, etc.
shallow – adj. having a small distance to the bottom from the surface or highest point