unichoke

例句：

1. 1. I found the unichoke in the garden and decided to plant it.
   我在花园里发现了这个未知的植物，决定种下它。
2. 2. The unichoke is a rare and exotic flower that blooms only once a year.
   这种未知的花朵是稀有且异国情调的，一年只开一次花。
3. 3. The unichoke has a unique fragrance that attracts bees and butterflies.
   这种未知的花朵有一种独特的香味，吸引蜜蜂和蝴蝶。