gain 2 
(gān)
(gān)n.
A notch or mortise cut into a board to receive another part.
tr.v. gained, gain·ing, gains
1. To cut out a gain in.
2. To join by or fit into a gain.
[Origin unknown.]
| 单词 | gain |
| 释义 | gain 2 (gān)n. A notch or mortise cut into a board to receive another part. tr.v. gained, gain·ing, gains 1. To cut out a gain in. 2. To join by or fit into a gain. [Origin unknown.] |
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