yam bean

例句：

1. 1. This yambean soup is very tasty.
   这道地瓜汤非常美味。
2. 2. Theyam bean isa good source of fiber andvitamins.
   地瓜是一种很好的纤维和维生素来源。
3. 3. I like to eat yambeans for breakfast every day.
   我每天早餐都喜欢吃地瓜。