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
It was so exciting to meet her again after so many years.
多年以后和她再相遇是多么让人激动啊!
When the belly is full the mind is among the maids.
逸则思淫。饱则思淫欲？
It is possible that upon such an occasion a battle ensued, with the sharks being driven away or killed.
双方可能随之发生搏斗，搏斗结果是海豚赶走或咬死鲨鱼。