water standing in the trap of a drain which prevents the escape of foul air from a sewer.
| 单词 | θ102750 |
| 释义 | the world > space > relative position > closed or shut condition > that which or one who closes or shuts > [noun] > that which closes an aperture > material or composition used for > water standing in a trap (2) sealing-water1884 water standing in the trap of a drain which prevents the escape of foul air from a sewer. seal1889 technical (transferred use of sense 2.) A small quantity of water left in a trap to prevent the escape of foul air from a sewer or drain. |
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