dead air space

常见例句

双语例句

• Oral nasal cup reduces fogging and lessens dead air space, limiting re-breathing of exhaled air.
  口腔和鼻腔喷雾杯减少减轻死领空，限制重新呼吸呼出的空气。

权威例句

• When the characters fly through the air, the space becomes an actual medium, not a dead zone.
  NEWYORKER: Up
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