linden flower

例句：

1. 1.The linden tree is a symbol of spring in many cultures.
   许多文化中，榆树是春天的象征。
2. 2. The linden flowers are a favorite of bees and butterflies.
   榆树花是蜜蜂和蝴蝶的最爱。
3. 3. In the spring, the linden trees bloom with white, delicate flowers.
   春天，榆树开满了白色、精致的花朵。