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
this weekend?
这个周末？
I suggest that you tear up the letter and start over again.
我建议你撕破信再来一遍。
when the whole animal is sometimes preserved, as in a refrigerator.
有时整个动物像被放在冰箱里一样被保存下来，