词汇	a long-drawn-out war
释义	a long-drawn-out war 旷日持久的战争
随便看	ultrasonic slurry sampler ultrasonic soldering ultrasonic soldering iron ultrasonic soldering machine ultrasonic soldering unit Ultrasonic sol-gel Ultrasonic solvent extraction Ultrasonic-solvent-extraction ultrasonic sonar ultrasonic sound ultrasonic sound apparatus ultrasonic sound appratus ultrasonic sound beam ultrasonic sounding ultrasonic sound velocity ultrasonic sound velocity and attenuation ultrasonic source ultrasonic space ultrasonic space grating ultrasonic space measure ultrasonic Spalding sign ultrasonic Spalding's sign ultrasonic speckles ultrasonic spectral method ultrasonic spectrometer