词汇	road hum
释义	road hum n.嗡嗡声
随便看	Eccentric rotary pump with sliding sleeve; eccentric rotary valve eccentric rotating disc type artificial lung eccentric rotation eccentric rotor eccentric rotor engine eccentric rotor sliding vane compressor eccentric round hole-wheel seedmeter eccentric runner eccentric running eccentrics eccentric scale eccentricscale indicator eccentric scale indicator eccentric-scale indicator eccentric scanning eccentric screen eccentric screw eccentric screw breechblock eccentric-screw breechblock eccentric screw pump eccentric section eccentric sectional model eccentric sector eccentric segment