1. species: pineapple is a kind of pineapple, with conical or cylindrical fruit, thick peel, juicy pulp, sweet and sour taste. Jackfruit, also known as wood pineapple and tree pineapple, is a fruit of Moraceae. The fruit is oval or spherical, with thin skin and thick flesh and sweet taste.

2. Taste: Pineapple tastes sweet and sour, soft and juicy. Mature pineapple pulp is yellow-orange, fragrant, soft, sour, juicy and tropical. The taste of jackfruit is usually described as soft, sweet and delicate. Its pulp is soft, juicy, sweet and sour, and has a unique aroma.