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標準釋義：提供中英釋義與例句，尚未加入深度教學內容
propellerKK [prəˈpɛlɚ] ｜ /prəˈpɛlɚ/
GEPT 中高級
C2noun
a device with blades that spin to push against water or air, used to power a boat or aircraft
The propeller on the airplane’s engine helped it take off and fly through the air smoothly.
螺旋槳；推進器

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