名詞 compressed air:

1. air at a pressure greater than that of the atmosphere

1. A covering for a wheel, usually made of rubber reinforced with cords of nylon, fiberglass, or other material and filled with compressed air.
   輪胎車輪的覆蓋物，通常由用尼龍繩、玻璃纖維或其它材料加固的橡膠制成，并注入了壓縮的空氣
2. With a supply of compressed air the large balloon inflated in a matter of seconds.
   大氣球注入壓縮空氣後，幾秒鐘就充足了氣。