Complex sentence: The racquet (called an Argentine racquet) is made of a hoop in hazel or chestnut wood, and is somewhat loosely strung--the ball is not exactly struck, nor is it quite caught--the effect is somewhere in between.
Split into simpler sentences: The racquet (called an Argentine racquet) is made of a hoop in hazel or chestnut wood, and is somewhat loosely strung. The ball is not exactly struck, nor is it quite caught--the effect is somewhere in between.