oilseed

例句：

1. 1.The oilseed rape is a popular vegetable in the spring.
   油菜是春天的常见蔬菜。
2. 2.The oilseed rape is used to make cooking oil.
   油菜用来制作食用油。
3. 3.The oilseed rape is also known as rapeseed.
   油菜也被称为菜籽。