美豆

例句：

1. 1. The soybeans are grown in the fields.
   大豆在田地里种植。
2. 2. Soybean oil is a popular cooking oil.
   大豆油是一种流行的烹饪油。
3. 3. The farmers use soybeans as a source of protein.
   农民使用大豆作为蛋白质的来源。