master spring leaf

例句：

1. 1. The master spring leaf is a symbol of the season's arrival.
   主弹簧叶是季节到来的象征。
2. 2. The master spring leaf is a favorite among gardeners.
   主弹簧叶是园丁们的最爱。
3. 3. The master spring leaf is a symbol of renewal and rebirth.
   主弹簧叶象征着更新和重生。