词汇	double-pumping action
释义	double-pumping action 双抽运
随便看	serious bus bar serious business serious carbuncle and cellulitis serious cardiac arrhythmias serious cartoon serious case serious case of nasosinusitis serious cases serious cast serious casualty agent serious cerebral injury serious cervical erosion serious challenge serious circumstances of a crime serious clutter serious cognitive disorder serious collapse serious combined immunodeficiency disease serious combined immunodeficiency diseasescid serious combined immunodeficiency diseaseSCID Serious community acquired pneumonia serious complaint serious complication serious concern serious concerns