Even the non - hitting components , such as the flat and the spine , have basic shock - absorbing layer 而非主要的打击部份，如剑侧及刀背等，亦有基本的吸震功能。
2.
Only hit your opponent s head , limbs or torso with the sword tip or the edge , not the sides or the spine 只可用锋口或剑尖击打对手的头四肢及身躯。请勿用刀背或剑脊部位作攻击。
3.
The expert grade katana s spine in the photo on the left and the edge in the photo on the right were both very easy to tell 左图中高手级日本打刀的刀背与右图中的锋口有很显注的分别。
4.
Cut three times crosswise . put into a stewing earthen bowl with the backside down . pile the ham slices and mushrooms on the chicken 将猪里脊的背脊骨跺去大半，切片，用刀背横直捶打3遍，切成带骨肉条，荸荠切片
5.
The expansion of trade hasn " t fully closed the gap between those of us who live on the cutting edge of the global economy and the billions around the world who live on the knife " s edge of survival 贸易的发展并没有完全消除我们之间巨大的贫富差距.如果把全球经济比做一把刀的话.我们就处在刀口,而刀背上是数以亿计的人在苦苦挣扎
