needle protea

例句：

1. 1.The needles of the pine tree are green and shiny.
   松树的针是绿色的，闪闪发光。
2. 2. Pine needles are used in medicine to treat colds and flu.
   松针被用来治疗感冒和流感。
3. 3.The forest is home to many species of pine trees.
   森林里有许多种松树。