| 释义 |
birchBrE /bɜːtʃ/ NAmE /bɜːrtʃ/ noun [C , U ] (also ˈbirch tree [C ]) a tree with smooth barkand thin branches , that grows in northern countries 桦树；白桦树 ➡ see also silver birch (also birch·wood BrE /ˈbɜːtʃwʊd/ NAmE /ˈbɜːrtʃwʊd/ ) [U ]the hard pale wood of the birch tree 桦木the birch [sing. ]the practice of hitting sb with a bunch of birch sticks , as a punishment 用桦木条抽打（作为惩罚） |