单词	jack hammer
释义	jack hammer 凿岩锤
随便看	energy of electron motion energy of electron shell energy of ensemble member energy of flow energy of ionization energy of jogs energy of light energy of magnetic field energy of molecular dissociation energy of motion energy of nucleus energy of oscillation energy of photoelectron energy of pile driving energy of pitch energy of position energy of resonance energy of resonance absorption energy of retraction energy of roll energy of rotation energy of rupture energy of sea current energy of signed integral energy of solvation 道不拾遗道不掇遗道不相谋道东说西道义之交道傍之筑道傍筑室道傍苦李道合志同道同义合丑恶丑旦丑时丑星丑相丑类丑行丑表功丑角丑角儿