Plano-concave
a. (透镜)平凹的
🧩 词语组成解析
a. （透镜）平的
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
Now comes the good part.
现在最精彩的部分来了。
Tennis clothes are so cute!
网球装非常可爱。
with the caption 'She was yet another victim, reduced to a screaming wreck '.
她是又一个受害者，成了只会尖叫的可怜虫。"