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
I call it Family Album, U.S.A.
我称之为美国写真。
He was born with a silver spoon in his mouth.
他生在富贵人家。
No, it isn't. It's a jeep.
那不是。那是一辆吉普车。