yam

例句：

1. 1. The yam is very sweet and delicious.
   这个红薯非常甜，很好吃。
2. 2. I like to eat yams for breakfast every day.
   我每天早餐喜欢吃红薯。
3. 3. Yams are a great source of fiber and vitamins.
   红薯是一种极好的纤维和维生素来源。