drill bit
drill bit — 名詞
1. the small, pointed metal piece that fits onto a drill and turns quickly to make
鑽頭
裝在電鑽上、旋轉鑽孔的尖頭金屬零件
the small, pointed metal piece that fits onto a drill and turns quickly to make round holes in wood, metal, or walls.
Pim changed the drill bit to a wider one before making holes in the door.
Pim 在門上鑽孔前，把鑽頭換成比較粗的一支。
change the drill bit to [a different size]
The old drill bit snapped in half while Mateo was drilling into the brick wall.
Mateo 在鑽磚牆時，那支舊鑽頭從中間斷成兩截。
drill bit snaps / breaks under hard material
You need a much smaller drill bit to hang those little picture frames.
要掛那幾個小相框，你需要一支細很多的鑽頭。
Ingrid keeps every drill bit in a labelled case so none of them get lost.
Ingrid 把每一支鑽頭都收在貼了標籤的盒子裡，這樣才不會弄丟。
A blunt drill bit will only burn the wood instead of cutting a clean hole.
鈍掉的鑽頭只會把木頭燒焦，鑽不出乾淨的洞。
- bit
the short everyday form once the context of a drill is clear
用法筆記
Almost always countable and physical; speakers name it by size or material (a 6mm bit, a masonry bit). Distinguish from the whole drill, which is the power tool that turns the bit.