american elm

• 一种大型落叶乔木，原产于北美东部，树冠常呈花瓶形，耐城市环境，但许多因荷兰榆树病而死亡。

A large deciduous tree native to eastern North America, known for its vase-like shape and tolerance to urban conditions, though many have been affected by Dutch elm disease.

1. A species of elm treeB2formalamerican

   A large deciduous tree native to eastern North America, known for its vase-like shape and tolerance to urban conditions, though heavily affected by Dutch elm disease.

   美国榆

   • The American elm was once a common street tree in many US cities.
   • Dutch elm disease devastated the population of American elms in the 20th century.
   • The distinctive shape of the American elm makes it easy to identify in the fall.