单词 | groove |
释义 | groove [grüv] BIOCHEMISTRY Any of a group of depressions in the double helix of deoxyribonucleic acid that are believed to be sites occupied by nuclear proteins. DESIGN ENGINEERING A long, narrow channel in a surface. GEOLOGY Glaciated marks of large size on rock. ORDNANCE One of the spiral depressions in the rifling of a gun to impart a spinning motion to a projectile which stabilizes it in flight. |
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