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 don't.
我没打。
The ox when weariest treads surest.
牛困走得稳。
but that you caught the 8.25 which would still get you to work on time.
而是8点25分的，这次车同样能使您按时上班。