pneumaticKK [nuˋmætɪk] /nuˈmætɪk/发音形容词1气动的、风动的、压缩空气驱动的The workers used a pneumatic drill to break up the sidewalk.工人用气动钻将人行道敲开。2充气的、气胎的These mountain bikes come with wide pneumatic tires.这些登山车配有宽版的充气轮胎。3空气的、气体的技术用语The lab measured the pneumatic pressure inside the sealed chamber.实验室测量了密闭室内的气压。用这个字练口说→