Fraxinus mandshurica

例句：

1. 1.Fraxinus mandshurica is a deciduous tree native to the northeastern United States.
   山杨是一种落叶树种，原产于美国东北部。
2. 2.The Fraxinus mandshurica trees are known for their beautiful autumn color.
   山杨树以其秋天美丽的色彩而闻名。
3. 3.Indigenous peoples have used Fraxinus mandshurica bark for medicinal purposes for centuries.
   土著人民几个世纪以来一直使用山杨树皮进行药用。