long leaf的用法和樣例：
例句
- The main ones include head lettuce, such as iceberg, leaf lettuce, Boston, bibb and romaine.
主要的包括頭形菜，如空心菜，散葉萵苣，波士頓萵苣，比伯生萵苣和長葉萵苣。 - The broad leaf Bupleurum chinense and the long leaf Bupleurum chinense were two excellent resources worthy of further research and use in Bupleurum chinense populations.
寬葉型和長葉型柴胡是值得深入研究利用的柴胡優良種質資源。
