标枪是奥运会田径运动使用的投掷器械之一,枪杆呈流线型,中间粗,两头细,前端有尖尖的枪头。远古时代的人类把尖锐的石材、鱼刺绑在竹竿、木杆的前端,或把竹竿削磨成锐利的形状,近可防身直刺邻近的动物,远可掷向飞跑的动物,是远古时代人类最先进的捕食猎物工具。从公元前4000年至公元初年铜器诞生,捕猎的枪头用锐利的铜铁取代后,人类捕食猎物的能力大 The javelin is one of the throwing equipment used by the Olympic track and field athletics. The gun bar has a streamlined shape with a thick center, two thin ends and a pointed tip at the front. In ancient times, human beings tied sharp stones and fish sticks to the front of bamboo poles and wood poles or sharpened bamboo poles into sharpened shapes. The most advanced hunting prey tool for humans. From 4000 BC to the early AD bronze was born, the hunting of the gun head was replaced by sharp copper and iron, the human predation ability