cokernel

例句：

1. 1. The cokernel of the seed is where the nutrients are stored.
   种子的核心是储存养分的地方。
2. 2. The scientist used a special machine to extract the cokernel from the plant.
   科学家使用一种特殊的机器从植物中提取出内核。
3. 3. The cokernel is rich in protein and other essential nutrients.
   内核富含蛋白质和其他必需的营养素。