名詞 elm:

1. any of various trees of the genus Ulmus: important timber or shade trees
   同義詞：elm tree
2. hard tough wood of an elm tree; used for e.g. implements and furniture
   同義詞：elmwood

1. Elm Street crosses Oak Street.
   榆樹街和橡樹街相交叉
2. The farmhouse is dignified by the great elm around it.
   這家農(nóng)舍由于周圍的大榆樹而增光不少。
3. We planted some elms in the yard.
   我們在院子里種了一些榆樹。

elm

n.（名詞）
Any of various deciduous trees of the genusUlmus, characteristically having arching or curving branches and serrate leaves with asymmetrical bases. Elms are widely planted as shade trees.
榆樹：任一種榆 屬的落葉樹木，有拱形或曲線形樹枝和鋸齒形不對稱的樹葉。榆樹做為蔽陰樹被廣泛地種植
The wood of one of these trees.
榆木：這些榆樹中的一種木材

來源：
Middle English
中古英語
from Old English
源自 古英語