单词	earth ground
释义	earth ground 大地
随便看	DirectPC direct percentage function direct perception direct percussion direct personal selling direct petrol injection direct pharyngoscopy direct phase determination direct photodetection direct photodetection receiver direct photography direct photometric titration direct pickup direct pick up direct pick-up direct pick-up camera direct pick-up receiver direct picture direct picture television direct picture television receiver direct piezilectricty direct piezoelectric effect direct piezo electric effect direct piezoelectricity direct piping 钁钂钃钄钅钅部钆钇针针1 煮沸煮浸し煮浸シ煮炊き煮炊キ煮焼き煮焼キ煮物煮立つ煮立てる