pneumaticKK [nuˋmætɪk] /nuˈmætɪk/發音形容詞1氣動的、風動的、壓縮空氣驅動的The workers used a pneumatic drill to break up the sidewalk.工人用氣動鑽將人行道敲開。2充氣的、氣胎的These mountain bikes come with wide pneumatic tires.這些登山車配有寬版的充氣輪胎。3空氣的、氣體的技術用語The lab measured the pneumatic pressure inside the sealed chamber.實驗室測量了密閉室內的氣壓。