A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
通常是尖头的有螺旋状





换,用在钻柱钻柄或钻床上。
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-科学美国人 2021年10月合集 The stranger was a short portly man with rumpled gray hair and an anxious expression, and was wearing a strange mixture of clothes: a pinstriped suit, a scarlet tie, a long black cloak, and pointed purple boots.
这个陌生人长得矮矮胖胖,敦敦实实,一头乱糟糟的灰发,脸上带着焦虑的神色。他身上的衣服是个奇怪的大杂烩:细条纹的西服、鲜红色的领带、黑色的长斗篷、紫色的尖头靴。
Okay. So, let's see. Yes, it's a red triangle–the tip pointing down–and it's centered right in the middle of every window that I see. Like, it doesn't seem accidental or put on by the people, you know, haphazardly on the inside.
好的,我们来看看。是的,这是一个红色的三角形——尖头朝下——正好位于我所见每个窗户的正中央。看起来不像是偶然贴上的,也不是人们随意在内侧胡乱贴的。