worm ball

例句：

1. 1. The worm ball was asurprise for the guests.
   蠕虫球让客人感到惊讶。
2. 2. The worm ball was afavorite among children.
   蠕虫球是孩子们的最爱。
3. 3. The worm ball was a sourceof food for the animals in the forest.
   蠕虫球是森林里动物的食物来源。