块茎状的

例句：

1. 1. The potato is a tuber that grows underground.
   土豆是一种生长在地下的块茎。
2. 2. The onion has a bulbous root system.
   洋葱有一个块茎根系统。
3. 3. The carrot is a bulbous vegetable with a sweet flavor.
   胡萝卜是一种块茎蔬菜，味道甜美。