gratings是什么意思？

gratings

英[ɡ'reɪtɪŋz] 美[ɡ'reɪtɪŋz]

• n. 格栅，栅栏，格子( grating的名词复数 )；

例句

• All gratings shall lie flat with no tendency to rock when installed. 安装时所有的栅栏都是平躺的,摇动时不发生倾斜.
• Many of the roofs were so full of holes that they looked like gratings. 许多屋顶千穿百孔,象筛子一样.
• The light is resolved by prisms, gratings, or by an interferometer. 光线用棱镜 、 光栅或干涉仪分解.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  栅栏；格子；格栅
  A grating is a flat metal frame with rows of bars across it, which is fastened over a window or over a hole in a wall or the ground.
  例句
  ...an open grating in the sidewalk. 人行道上敞着的下水道格栅
• ADJ-GRADED
  （声音）刺耳的
  A grating sound is harsh and unpleasant.
  例句
  She recognized the grating voice of Dr. Sarnoff. 她听出了萨尔诺夫博士刺耳的嗓音。