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
Hey, let's go out and have some fun tonight.
嘿，咱们今晚出去玩儿吧。
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
Dickie disliked snobs intensely.
迪基痛恨势利小人。