gratings
/ɡ'reɪtɪŋz/
📖 中文释义
- n. 格栅, 栅栏, 格子( grating的复数形式 )
🔗 释义中的汉语词
🧩 词形变化
原形 grating
📘 English Definition（英文释义）
- n. a barrier that has parallel or crossed bars blocking a passage but admitting air
- n. a frame of iron bars to hold a fire
- n. optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum