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The natives used to hammer the metal into arrowheads using heavy stones.土著人以前總是用沉重的石頭把這種金屬錘打成箭頭.Arrowheads on the lines indicate the direction in which the taugent is to be drawn.電力線上的箭頭表示所要畫的切線方向.Bronze weapons: spears,...

n.箭頭( arrowhead的名詞復數(shù) )，箭鏇，楔形符號，慈菇...

arrowheads的音標：...