| 释义 |
black birch U.S.
[black a. 6.]
One or other of several North American species of birch, esp. Betula lenta and B. occidentalis.
1674J. Josselyn Two Voyages 69 The Birch-tree is of two kinds, ordinary Birch, and black Birch. 1711Boston Town Rec. (1883) III. 86 A black burch on the Side of a Swamp. 1832D. J. Browne Sylva Amer. 118 Wherever it grows in the United States, it is known by the name of Black Birch. 1957M. Hadfield Brit. Trees 174 The wood of some birches..produces wood alcohol. For this purpose the sweet or black birch..of the north-eastern U.S.A. is much used. |