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
You'll never guess what I heard.
你永远也猜不到我听说了什么。
We'd like to recommend our new home health monitor.
我们想推荐我们新的家庭健康监测器。
How is the new material working out for you?
新原料用得如何？