They have also found pieces of spear points left about 10,000 years ago.
他们还发现了大约一万年前留下的矛尖。
Spear point
原声例句
美国国家公园
北美大平原-野性新世界
They let spear points, knife blades and other tools scattered all across the plains. And they spread fast.
他们制造了尖矛，石刀片和其他可以横扫平原的武器。这些武器传播的很快。
老托福听力93篇集锦
The artifacts include stone spear points and knives; the spear points are actually rather small.
这些文物包括石矛尖和刀；矛尖实际上很小。
泰山之子（上）
Again and again Korak rushed against this human barricade bristling with spear points. Again and again he was repulsed, often with severe wounds to caution him to greater wariness.
科拉克一次又一次地冲向这个长满矛尖的人类路障。他一次又一次地被击退，经常有严重的伤口警告他要更加小心。
呼啸山庄（精简版）
" I'm weary of enduring now, ' I replied; " and I'd be glad of a retaliation that wouldn't recoil on myself; but treachery and violence are spears pointed at both ends: they wound those who resort to them worse than their enemies. '
“我现在是忍不下去了，’我回答，‘我喜欢一种不会牵累到我自己的报复，但是阴谋和暴力是两头尖的矛，它们也能刺伤使用它们的人，比刺伤它们的敌人还会重些。’
英语百科
Projectile point
![Standard projectile point terminology used in describing Native American projectile points: a - point or tip, b-edge, c- blade or face, d - step, e - tang, f - base, g - notch, h - barb, i - shoulder.[1]](/uploads/202502/12/ProjPointTerm2536.jpg)
In archaeological terms, a projectile point is an object that was hafted to a projectile, such as a spear, dart, or arrow, or perhaps used as a knife.
Stone tools, including projectile points, can survive for long periods, were often lost or discarded, and are relatively plentiful, providing useful clues to the human past, including prehistoric trade. Scientific techniques exist to track the specific kinds of rock or minerals that used to make stone tools in various regions back to their original sources. Occasionally, projectile points made of worked bone or ivory are found at archaeological sites. In regions where metallurgy had emerged, projectile points were made from copper, bronze, or iron. In North America, some late prehistoric points were fashioned from copper that was mined in the Lake Superior region and elsewhere.
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