求翻译：匕首是一种短刀。区别于其它军用刀具，匕首一般只有在其所有的刀刃部分刺入敌人身体时，才能具有致命效果。匕首的主要目的当然是用于近距离博击，以杀伤敌方人员，因此一般是非折叠的，以增强其坚固性；手柄部分通过镶木、增加凸凹以防止脱落；在刀体部分作出血槽，以便顺利拔出。此外，匕首亦是军人行军和越野的有效工具，可用其披荆斩棘，开辟道路；亦可用其刀背的锯齿锯断树木，搭设帐篷；还可用其宰杀野味、掘取茎果。因此，即使在现代战争中，匕首仍是军人不可缺少的武器。是什么意思？

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dagger is a short cut. distinguished from other military knives, daggers is generally available only in all of its blade part body piercing the enemy can be lethal effects. The main objective, of course, knife used for proximity bo click to anti-enemy personnel, and therefore a general non-folding,

The dagger is one kind of short sword.Distinguishes in other military cutting tools, the dagger generally only then pricks the enemy body when its all knife edge part, can have the lethal effect.The dagger main purpose is certainly uses in the short distance striking abundantly, kills the enemy side

Dagger is a dagger. From other military knives, daggers are generally only available in all of its blades body part pierced the enemy, to have a fatal effect. Dagger's main objective is to close full-contact, to killing enemy officers, it is generally is folded, to enhance its robustness; handle par

Dagger is a dagger. From other military knives, daggers are generally only available in all of its blades body part pierced the enemy, to have a fatal effect. Dagger's main objective is to close full-contact, to killing enemy officers, it is generally is folded, to enhance its robustness; handle par