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
She has both a good brain and beauty.
她才貌双全。
Attitudes towards drinking and smoking in the U.S. are, in some ways, very different from those in Asia.
在对烟酒所采取的态度上，美国和亚洲在某些方面是非常不一样的。
Oh，you are kidding me.
哦，你别拿我开玩笑了。