Concave grating
[化] 凹面光栅
🏥 医学释义
凹光栅
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
grating
[['greitiŋ]]
n. 光栅, 摩擦, 摩擦声\\na. 令人气恼的, 刺耳的
🗣️ 情景例句
Did you have a good time today?
今天玩得开心吗？
To push a baby carriage
推婴儿车
Mrs.Sterling got so angry that she ran after them.
斯特林夫人非常气愤，向着他们追了过去。