ground·sill 
(groundsĭl′) also ground·sel (groundsəl, groun-)
(groundsĭl′) also ground·sel (groundsəl, groun-)n.
The horizontal timber nearest the ground in the frame of a building.
| 单词 | groundsill |
| 释义 | ground·sill (groundsĭl′) also ground·sel (groundsəl, groun-)n. The horizontal timber nearest the ground in the frame of a building. |
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