birch
n
1 [U, C] (wood of a) type of northern forest tree with smooth bark and thin branches 白桦树; 桦木. =>illus at App 1 见附录1之插图, page i.
2 [C] birch rod or a bundle of birch twigs, formerly used for flogging schoolboys and young offenders 桦条(旧时用以抽打学童和少年犯)
Should we bring back the birch as a punishment? 我们应该恢复用桦条抽打的体罚吗? birch, v [Tn]
flog with a birch(2) 用桦条打.
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.