Ulmus campestris

例句：

1. 1. The elm tree isa symbol of the city's beauty.
   榆树是这座城市美丽的象征。
2. 2. The poplar trees are tall and sturdy, providingshade for many birds.
   杨树高大而结实，为许多鸟类提供了遮蔽。
3. 3. Theelm tree is often used in traditionalChinese gardens as a symbol of longevity.
   榆树常被用于传统中国园林中，作为长寿的象征。