A drill bit is a tool attached to a drill that is used to create holes in various materials like wood, metal, or plastic. The bit has a sharp, cutting edge that rotates as the drill is powered, allowing it to carve through the material. Drill bits come in different shapes, sizes, and designs, depending on the type of hole needed and the material being drilled. They are easily replaceable, allowing one drill to be used for many different tasks by simply switching the bit.

“drill bit”的英语定义和含义

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