pointed cone是什么意思 pointed cone怎么读
pointed cone的用法和样例
- A slim,pointed piece of metal was hammered into material.
一细的尖头金属，钉入某物。 - A straight,thin shaft with a pointed head at one end and often flight-stabilizing vanes at the other,meant to be shot from a bow.
箭一端带有尖头的，细的直杆，另一端常带有用于稳定飞行的涡轮叶，以弓弩的形式发射。
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