n.【植】桦树；白桦；【植】桦木；桦条v.用桦条打网络白桦树；伯奇；西南桦木变形：复数：birches过去分词：birched现在分词：birching英英释义： birch[ bə:tʃ ]n.hard close-grained wood of any of various birch trees; used especially in furniture and interior finishes and plywoodany betulaceous tree or shrub of the gen