Reflection grating
[计] 反射光栅\\n[化] 反射光栅
🧩 词语组成解析
grating
[['greitiŋ]]
n. 光栅, 摩擦, 摩擦声\\na. 令人气恼的, 刺耳的
🗣️ 情景例句
and his book
他的书
I have great difficulty in understanding him.
我觉得很难理解他。
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。