bud sport

例句：

1. 1. The bud of the cherry blossom is a symbol of spring.
   樱花的芽是春天的象征。
2. 2. The baby bird was born with a tiny bud on its beak.
   这只小鸟刚出生时，它的喙上有一个微小的芽。
3. 3. The gardener carefully pruned the branches to encourage more buds to form.
   园丁小心翼翼地修剪树枝，以鼓励更多的芽形成。