common way通常方式commonadj.常见的；共同的；普通的；平常的；平凡的；粗俗的n.公地；平民；普通；公园common duct exploration总胆管探查Common control Language公共控制语言common emitter amplifer共发射极放大器common elective courses公共选修课Common cold vaccination伤风接种common battery multiple共电制复式塞孔盘common source hepatitis列性肝炎common watershield herb莼common machine language公用计算机语言common textural grammar公共正文文法