Concave lens
[化] 凹透镜\\n[医] 凹透镜, 近视镜片
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
lens
[lɛnz]
n. 透镜，镜头;眼睛中的水晶体;隐形眼镜;汽车的灯玻璃;
🗣️ 情景例句
Philip and I were living with Grandma and Grandpa. Philip
与我和爷爷， 奶奶住在一起。
It seems he's disappointed.
看起来他好像很失望。
Very excited, the party dug a hole two feel deep.
队员们异常激动，就地挖了一个两英尺深的坑，