fruit and vegetables 和 fruits and vegetables 都见过,不知道哪个是对的。
fruit and vegetables 和 fruits and vegetables 都对,但以前者为普通。
Eat plenty of uncooked fruit and vegetables. 要多吃新鲜水果和生蔬菜。(牛津高阶)
The doctor said I should eat more fruits and vegetables. 医生说我应该多吃些水果和蔬菜。(韦氏高阶)