1873, irregular shortening of rotator (see rotate (v.)), originally in mathematics. Mechanical sense is attested from 1903; specifically of helicopters from 1930.
雙語例句
1. rotor blades on a helicopter
直升機的旋翼葉片
來自《權威詞典》
2. A rotor from the engine makes the wheels of the car turn.
發動機的輪子使車輪轉動.
來自《簡明英漢詞典》
3. It is best to allow the rotor to rotate freely.
最好讓轉子自由旋轉.
來自《簡明英漢詞典》
4. The rotor cataracts water over the top of the machines.
回轉輪將水從機器頂上注入.
來自《現代英漢綜合大詞典》
5. Chris Retzler has built a prototype of a machine called the wave rotor.