dead air space
常见例句
- 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。 - When the characters fly through the air, the space becomes an actual medium, not a dead zone.
NEWYORKER: Up 返回 dead air space