conifer

例句：

1. 1.The conifers are known for their needle-like leaves.
   针叶树以其针状的叶子而闻名。
2. 2.The forest was filled with the sounds of birds and the rustling of the conifers.
   森林里充满了鸟儿的叫声和针叶树沙沙作响的声音。
3. 3.Conifers are an important part of the ecosystem as they help to regulate temperature and moisture levels.
   针叶树是生态系统的重要组成部分，因为它们有助于调节温度和水分水平。