Applied to devices for admitting air into a head-dress, boot, etc.
| 单词 | θ75178 |
| 释义 | the world > matter > gas > air > fresh air > [noun] > supplying fresh air or ventilation > ventilator > in a boot, hat, etc. (1) ventilator1870 Applied to devices for admitting air into a head-dress, boot, etc. |
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