chainwheel
chainwheel — 名詞
1. a wheel with teeth around its edge, attached to the pedals of a bicycle, that th
鏈輪；大齒盤
自行車曲柄上的齒輪，與鏈條嚙合以傳動
a wheel with teeth around its edge, attached to the pedals of a bicycle, that the chain fits around to make the bike move forward.
Trang cleaned the chainwheel on her bike with a small brush.
Trang 用小刷子把自行車的鏈輪清理乾淨。
The mechanic said the chainwheel was worn and needed replacing.
技師說鏈輪已經磨損，需要更換。
collocation: worn chainwheel / replace chainwheel
A larger chainwheel makes the bike go faster but requires more effort to pedal.
大齒盤越大，車子騎得越快，但踩踏也更費力。
Léa removed the chainwheel so she could replace the damaged crank arm.
Léa 拆下鏈輪，以便更換受損的曲柄臂。
Dirt between the chainwheel teeth can cause the chain to slip off.
鏈輪齒間卡了泥土，可能會讓鏈條脫落。
- chainring
more common term among cyclists; chainring is used far more often than chainwheel in everyday cycling contexts
- front sprocket
describes the position on the bike; less formal and more accessible to non-specialists
- crankset sprocket
formal technical term that distinguishes the front gear from the rear cassette sprockets