grat·ing 
(grātĭng)
(grātĭng)n.
1. A grill or network of bars set in a window or door or used as a partition; a grate.
2. A diffraction grating.
| 单词 | grating |
| 释义 | grat·ing (grātĭng)n. 1. A grill or network of bars set in a window or door or used as a partition; a grate. 2. A diffraction grating. |
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