gu-cai

例句：

1. 1. The farmer harvests the grain from the fields every spring.
   农民每年春天收割田野里的谷物。
2. 2. We need to store the grain properly to prevent spoilage.
   我们需要妥善储存谷物，以防变质。
3. 3. The grain is used for making bread and other baked goods.
   这种谷物被用来制作面包和其他烘焙食品。