2. Rain pattered gently outside, dripping onto the roof from the pines. 雨在外面沙沙地下着，从松树上滴落在房顶上。
3. Pines can grow to 60 feet tall at most. 松树最多能长到60英尺高。
4. When that happens, many trees like walnuts, oaks and pines, rely exclusively on so-called "scatter hoarders", such as birds, to move their seeds to new localities. 当这种情况发生时，许多树，如核桃树、橡树和松树，完全依靠所谓的“分散贮藏者”，如鸟类，将它们的种子转移到新的地方。
5. Whereas the region's native evergreen pines shade the snow and absorb radiation, birches would shed their leaves in winter, thus enabling radiation to be reflected by the snow. 然而那个地区当地的常绿松树可以为雪遮阴，吸收辐射，而白桦树在冬天则会落叶，从而使辐射被雪反射。
