Concave mirror
凹镜
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
Do you ever lie to your boyfriend?
你骗过你男朋友吗？
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
in fact they did nothing of the kind,
实际上那是根本不行的。