the best known grains

• 最普通的谷物

the best known grains的用法和样例：

例句

1. He thinks their corn is the most delicious.
   他以为他们的谷物味道最鲜美。
2. Cereal grains growing in the field are contaminated with a large number of fungus.
   在田间生长的谷物感染了大量的霉菌。